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Finding the Fourth Proportional to 581,032.80, 869,216.40 and 503,013.60

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Solution

The fourth proportional to 581,032.80, 869,216.40 and 503,013.60 is: 752,500.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,032.80 : 869,216.40 = 503,013.60 : x
  2. Step 2: Convert to fraction form
    581,032.80/869,216.40 = 503,013.60/x
  3. Step 3: Cross multiply
    581,032.80x = 869,216.40 × 503,013.60
  4. Step 4: Simplify right side
    581,032.80x = 437,227,670,543.04
  5. Step 5: Solve for x
    x = 437,227,670,543.04/581,032.80
  6. Step 6: Final answer
    x = 752,500.84

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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.