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Finding the Fourth Proportional to 603,151.80, 904,727.70 and 514,578.30

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Solution

The fourth proportional to 603,151.80, 904,727.70 and 514,578.30 is: 771,867.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,151.80 : 904,727.70 = 514,578.30 : x
  2. Step 2: Convert to fraction form
    603,151.80/904,727.70 = 514,578.30/x
  3. Step 3: Cross multiply
    603,151.80x = 904,727.70 × 514,578.30
  4. Step 4: Simplify right side
    603,151.80x = 465,553,241,828.91
  5. Step 5: Solve for x
    x = 465,553,241,828.91/603,151.80
  6. Step 6: Final answer
    x = 771,867.45

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.