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Finding the Fourth Proportional to 580,948.80, 869,090.40 and 502,929.60

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Solution

The fourth proportional to 580,948.80, 869,090.40 and 502,929.60 is: 752,374.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,948.80 : 869,090.40 = 502,929.60 : x
  2. Step 2: Convert to fraction form
    580,948.80/869,090.40 = 502,929.60/x
  3. Step 3: Cross multiply
    580,948.80x = 869,090.40 × 502,929.60
  4. Step 4: Simplify right side
    580,948.80x = 437,091,287,235.84
  5. Step 5: Solve for x
    x = 437,091,287,235.84/580,948.80
  6. Step 6: Final answer
    x = 752,374.89

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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.