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Finding the Fourth Proportional to 433,545.30, 650,317.95 and 118,001.70

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Solution

The fourth proportional to 433,545.30, 650,317.95 and 118,001.70 is: 177,002.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,545.30 : 650,317.95 = 118,001.70 : x
  2. Step 2: Convert to fraction form
    433,545.30/650,317.95 = 118,001.70/x
  3. Step 3: Cross multiply
    433,545.30x = 650,317.95 × 118,001.70
  4. Step 4: Simplify right side
    433,545.30x = 76,738,623,640.52
  5. Step 5: Solve for x
    x = 76,738,623,640.52/433,545.30
  6. Step 6: Final answer
    x = 177,002.55

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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.