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Finding the Fourth Proportional to 581,005.60, 801,762.48 and 339,301.60

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Solution

The fourth proportional to 581,005.60, 801,762.48 and 339,301.60 is: 468,221.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,005.60 : 801,762.48 = 339,301.60 : x
  2. Step 2: Convert to fraction form
    581,005.60/801,762.48 = 339,301.60/x
  3. Step 3: Cross multiply
    581,005.60x = 801,762.48 × 339,301.60
  4. Step 4: Simplify right side
    581,005.60x = 272,039,292,283.97
  5. Step 5: Solve for x
    x = 272,039,292,283.97/581,005.60
  6. Step 6: Final answer
    x = 468,221.46

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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.