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Finding the Fourth Proportional to 594,147.28, 891,454.32 and 261,490

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Solution

The fourth proportional to 594,147.28, 891,454.32 and 261,490 is: 392,337.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,147.28 : 891,454.32 = 261,490 : x
  2. Step 2: Convert to fraction form
    594,147.28/891,454.32 = 261,490/x
  3. Step 3: Cross multiply
    594,147.28x = 891,454.32 × 261,490
  4. Step 4: Simplify right side
    594,147.28x = 233,106,390,136.80
  5. Step 5: Solve for x
    x = 233,106,390,136.80/594,147.28
  6. Step 6: Final answer
    x = 392,337.72

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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.