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Finding the Fourth Proportional to 354,712.60, 532,068.90 and 354,712.60

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Solution

The fourth proportional to 354,712.60, 532,068.90 and 354,712.60 is: 532,068.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,712.60 : 532,068.90 = 354,712.60 : x
  2. Step 2: Convert to fraction form
    354,712.60/532,068.90 = 354,712.60/x
  3. Step 3: Cross multiply
    354,712.60x = 532,068.90 × 354,712.60
  4. Step 4: Simplify right side
    354,712.60x = 188,731,542,898.14
  5. Step 5: Solve for x
    x = 188,731,542,898.14/354,712.60
  6. Step 6: Final answer
    x = 532,068.90

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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.