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Finding the Fourth Proportional to 363,421.69, 545,154.40 and 114,103.69

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Solution

The fourth proportional to 363,421.69, 545,154.40 and 114,103.69 is: 171,162.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,421.69 : 545,154.40 = 114,103.69 : x
  2. Step 2: Convert to fraction form
    363,421.69/545,154.40 = 114,103.69/x
  3. Step 3: Cross multiply
    363,421.69x = 545,154.40 × 114,103.69
  4. Step 4: Simplify right side
    363,421.69x = 62,204,127,439.48
  5. Step 5: Solve for x
    x = 62,204,127,439.48/363,421.69
  6. Step 6: Final answer
    x = 171,162.40

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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.