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Finding the Fourth Proportional to 462,756.66, 694,191.15 and 130,332.66

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Solution

The fourth proportional to 462,756.66, 694,191.15 and 130,332.66 is: 195,514.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,756.66 : 694,191.15 = 130,332.66 : x
  2. Step 2: Convert to fraction form
    462,756.66/694,191.15 = 130,332.66/x
  3. Step 3: Cross multiply
    462,756.66x = 694,191.15 × 130,332.66
  4. Step 4: Simplify right side
    462,756.66x = 90,475,779,127.96
  5. Step 5: Solve for x
    x = 90,475,779,127.96/462,756.66
  6. Step 6: Final answer
    x = 195,514.81

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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.