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Finding the Fourth Proportional to 363,499.36, 545,207.33 and 97,280.64

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Solution

The fourth proportional to 363,499.36, 545,207.33 and 97,280.64 is: 145,909.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,499.36 : 545,207.33 = 97,280.64 : x
  2. Step 2: Convert to fraction form
    363,499.36/545,207.33 = 97,280.64/x
  3. Step 3: Cross multiply
    363,499.36x = 545,207.33 × 97,280.64
  4. Step 4: Simplify right side
    363,499.36x = 53,038,118,871.71
  5. Step 5: Solve for x
    x = 53,038,118,871.71/363,499.36
  6. Step 6: Final answer
    x = 145,909.80

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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.