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Finding the Fourth Proportional to 575,470.30, 863,331.90 and 176,141.88

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Solution

The fourth proportional to 575,470.30, 863,331.90 and 176,141.88 is: 264,251.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,470.30 : 863,331.90 = 176,141.88 : x
  2. Step 2: Convert to fraction form
    575,470.30/863,331.90 = 176,141.88/x
  3. Step 3: Cross multiply
    575,470.30x = 863,331.90 × 176,141.88
  4. Step 4: Simplify right side
    575,470.30x = 152,068,903,929.97
  5. Step 5: Solve for x
    x = 152,068,903,929.97/575,470.30
  6. Step 6: Final answer
    x = 264,251.52

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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.