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Finding the Fourth Proportional to 363,909.70, 545,864.55 and 304,860.70

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Solution

The fourth proportional to 363,909.70, 545,864.55 and 304,860.70 is: 457,291.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,909.70 : 545,864.55 = 304,860.70 : x
  2. Step 2: Convert to fraction form
    363,909.70/545,864.55 = 304,860.70/x
  3. Step 3: Cross multiply
    363,909.70x = 545,864.55 × 304,860.70
  4. Step 4: Simplify right side
    363,909.70x = 166,412,648,818.19
  5. Step 5: Solve for x
    x = 166,412,648,818.19/363,909.70
  6. Step 6: Final answer
    x = 457,291.05

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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.