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Finding the Fourth Proportional to 418,443.98, 569,727.44 and 417,115.38

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Solution

The fourth proportional to 418,443.98, 569,727.44 and 417,115.38 is: 567,918.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,443.98 : 569,727.44 = 417,115.38 : x
  2. Step 2: Convert to fraction form
    418,443.98/569,727.44 = 417,115.38/x
  3. Step 3: Cross multiply
    418,443.98x = 569,727.44 × 417,115.38
  4. Step 4: Simplify right side
    418,443.98x = 237,642,077,632.03
  5. Step 5: Solve for x
    x = 237,642,077,632.03/418,443.98
  6. Step 6: Final answer
    x = 567,918.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.