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Finding the Fourth Proportional to 366,925.30, 550,387.95 and 317,061.70

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Solution

The fourth proportional to 366,925.30, 550,387.95 and 317,061.70 is: 475,592.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,925.30 : 550,387.95 = 317,061.70 : x
  2. Step 2: Convert to fraction form
    366,925.30/550,387.95 = 317,061.70/x
  3. Step 3: Cross multiply
    366,925.30x = 550,387.95 × 317,061.70
  4. Step 4: Simplify right side
    366,925.30x = 174,506,939,086.52
  5. Step 5: Solve for x
    x = 174,506,939,086.52/366,925.30
  6. Step 6: Final answer
    x = 475,592.55

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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.