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Finding the Fourth Proportional to 536,108.76, 739,801.08 and 294,423.12

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Solution

The fourth proportional to 536,108.76, 739,801.08 and 294,423.12 is: 406,287.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,108.76 : 739,801.08 = 294,423.12 : x
  2. Step 2: Convert to fraction form
    536,108.76/739,801.08 = 294,423.12/x
  3. Step 3: Cross multiply
    536,108.76x = 739,801.08 × 294,423.12
  4. Step 4: Simplify right side
    536,108.76x = 217,814,542,152.97
  5. Step 5: Solve for x
    x = 217,814,542,152.97/536,108.76
  6. Step 6: Final answer
    x = 406,287.97

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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.