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Finding the Fourth Proportional to 632,614.06, 948,921.72 and 258,637.06

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Solution

The fourth proportional to 632,614.06, 948,921.72 and 258,637.06 is: 387,955.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,614.06 : 948,921.72 = 258,637.06 : x
  2. Step 2: Convert to fraction form
    632,614.06/948,921.72 = 258,637.06/x
  3. Step 3: Cross multiply
    632,614.06x = 948,921.72 × 258,637.06
  4. Step 4: Simplify right side
    632,614.06x = 245,426,323,830.94
  5. Step 5: Solve for x
    x = 245,426,323,830.94/632,614.06
  6. Step 6: Final answer
    x = 387,955.85

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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.