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Finding the Fourth Proportional to 869,260.60, 1,302,854.10 and 363,820.60

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Solution

The fourth proportional to 869,260.60, 1,302,854.10 and 363,820.60 is: 545,296.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,260.60 : 1,302,854.10 = 363,820.60 : x
  2. Step 2: Convert to fraction form
    869,260.60/1,302,854.10 = 363,820.60/x
  3. Step 3: Cross multiply
    869,260.60x = 1,302,854.10 × 363,820.60
  4. Step 4: Simplify right side
    869,260.60x = 474,005,160,374.46
  5. Step 5: Solve for x
    x = 474,005,160,374.46/869,260.60
  6. Step 6: Final answer
    x = 545,296.96

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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.