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Finding the Fourth Proportional to 574,936.73, 787,666.13 and 553,388.28

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Solution

The fourth proportional to 574,936.73, 787,666.13 and 553,388.28 is: 758,144.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,936.73 : 787,666.13 = 553,388.28 : x
  2. Step 2: Convert to fraction form
    574,936.73/787,666.13 = 553,388.28/x
  3. Step 3: Cross multiply
    574,936.73x = 787,666.13 × 553,388.28
  4. Step 4: Simplify right side
    574,936.73x = 435,885,202,128.02
  5. Step 5: Solve for x
    x = 435,885,202,128.02/574,936.73
  6. Step 6: Final answer
    x = 758,144.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.