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Finding the Fourth Proportional to 536,302.76, 739,645.44 and 383,057.24

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Solution

The fourth proportional to 536,302.76, 739,645.44 and 383,057.24 is: 528,295.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,302.76 : 739,645.44 = 383,057.24 : x
  2. Step 2: Convert to fraction form
    536,302.76/739,645.44 = 383,057.24/x
  3. Step 3: Cross multiply
    536,302.76x = 739,645.44 × 383,057.24
  4. Step 4: Simplify right side
    536,302.76x = 283,326,540,824.99
  5. Step 5: Solve for x
    x = 283,326,540,824.99/536,302.76
  6. Step 6: Final answer
    x = 528,295.88

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.