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Finding the Fourth Proportional to 474,657.89, 711,987.37 and 175,008.65

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Solution

The fourth proportional to 474,657.89, 711,987.37 and 175,008.65 is: 262,513.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,657.89 : 711,987.37 = 175,008.65 : x
  2. Step 2: Convert to fraction form
    474,657.89/711,987.37 = 175,008.65/x
  3. Step 3: Cross multiply
    474,657.89x = 711,987.37 × 175,008.65
  4. Step 4: Simplify right side
    474,657.89x = 124,603,948,440.75
  5. Step 5: Solve for x
    x = 124,603,948,440.75/474,657.89
  6. Step 6: Final answer
    x = 262,513.17

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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.