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Finding the Fourth Proportional to 363,499.11, 545,206.95 and 97,280.39

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Solution

The fourth proportional to 363,499.11, 545,206.95 and 97,280.39 is: 145,909.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,499.11 : 545,206.95 = 97,280.39 : x
  2. Step 2: Convert to fraction form
    363,499.11/545,206.95 = 97,280.39/x
  3. Step 3: Cross multiply
    363,499.11x = 545,206.95 × 97,280.39
  4. Step 4: Simplify right side
    363,499.11x = 53,037,946,089.73
  5. Step 5: Solve for x
    x = 53,037,946,089.73/363,499.11
  6. Step 6: Final answer
    x = 145,909.42

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1.5x scale

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.