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Finding the Fourth Proportional to 555,672.28, 833,411.32 and 156,218.16

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Solution

The fourth proportional to 555,672.28, 833,411.32 and 156,218.16 is: 234,299.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,672.28 : 833,411.32 = 156,218.16 : x
  2. Step 2: Convert to fraction form
    555,672.28/833,411.32 = 156,218.16/x
  3. Step 3: Cross multiply
    555,672.28x = 833,411.32 × 156,218.16
  4. Step 4: Simplify right side
    555,672.28x = 130,193,982,933.57
  5. Step 5: Solve for x
    x = 130,193,982,933.57/555,672.28
  6. Step 6: Final answer
    x = 234,299.94

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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.