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Finding the Fourth Proportional to 536,302.26, 739,644.75 and 383,056.74

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Solution

The fourth proportional to 536,302.26, 739,644.75 and 383,056.74 is: 528,295.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,302.26 : 739,644.75 = 383,056.74 : x
  2. Step 2: Convert to fraction form
    536,302.26/739,644.75 = 383,056.74/x
  3. Step 3: Cross multiply
    536,302.26x = 739,644.75 × 383,056.74
  4. Step 4: Simplify right side
    536,302.26x = 283,325,906,693.12
  5. Step 5: Solve for x
    x = 283,325,906,693.12/536,302.26
  6. Step 6: Final answer
    x = 528,295.19

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Double scale
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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.