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Finding the Fourth Proportional to 632,366.86, 948,551.91 and 258,389.86

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Solution

The fourth proportional to 632,366.86, 948,551.91 and 258,389.86 is: 387,585.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,366.86 : 948,551.91 = 258,389.86 : x
  2. Step 2: Convert to fraction form
    632,366.86/948,551.91 = 258,389.86/x
  3. Step 3: Cross multiply
    632,366.86x = 948,551.91 × 258,389.86
  4. Step 4: Simplify right side
    632,366.86x = 245,096,195,227.63
  5. Step 5: Solve for x
    x = 245,096,195,227.63/632,366.86
  6. Step 6: Final answer
    x = 387,585.45

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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.