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Finding the Fourth Proportional to 363,847.18, 545,829.10 and 153,516.10

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Solution

The fourth proportional to 363,847.18, 545,829.10 and 153,516.10 is: 230,298.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,847.18 : 545,829.10 = 153,516.10 : x
  2. Step 2: Convert to fraction form
    363,847.18/545,829.10 = 153,516.10/x
  3. Step 3: Cross multiply
    363,847.18x = 545,829.10 × 153,516.10
  4. Step 4: Simplify right side
    363,847.18x = 83,793,554,698.51
  5. Step 5: Solve for x
    x = 83,793,554,698.51/363,847.18
  6. Step 6: Final answer
    x = 230,298.76

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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.