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Finding the Fourth Proportional to 581,007.16, 801,885.72 and 339,287.77

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Solution

The fourth proportional to 581,007.16, 801,885.72 and 339,287.77 is: 468,273.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,007.16 : 801,885.72 = 339,287.77 : x
  2. Step 2: Convert to fraction form
    581,007.16/801,885.72 = 339,287.77/x
  3. Step 3: Cross multiply
    581,007.16x = 801,885.72 × 339,287.77
  4. Step 4: Simplify right side
    581,007.16x = 272,070,017,733.64
  5. Step 5: Solve for x
    x = 272,070,017,733.64/581,007.16
  6. Step 6: Final answer
    x = 468,273.09

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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.