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Finding the Fourth Proportional to 363,503.86, 545,214.07 and 97,285.15

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Solution

The fourth proportional to 363,503.86, 545,214.07 and 97,285.15 is: 145,916.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,503.86 : 545,214.07 = 97,285.15 : x
  2. Step 2: Convert to fraction form
    363,503.86/545,214.07 = 97,285.15/x
  3. Step 3: Cross multiply
    363,503.86x = 545,214.07 × 97,285.15
  4. Step 4: Simplify right side
    363,503.86x = 53,041,232,582.06
  5. Step 5: Solve for x
    x = 53,041,232,582.06/363,503.86
  6. Step 6: Final answer
    x = 145,916.56

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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.