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Finding the Fourth Proportional to 594,080.28, 891,353.70 and 261,423

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Solution

The fourth proportional to 594,080.28, 891,353.70 and 261,423 is: 392,237.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,080.28 : 891,353.70 = 261,423 : x
  2. Step 2: Convert to fraction form
    594,080.28/891,353.70 = 261,423/x
  3. Step 3: Cross multiply
    594,080.28x = 891,353.70 × 261,423
  4. Step 4: Simplify right side
    594,080.28x = 233,020,358,315.10
  5. Step 5: Solve for x
    x = 233,020,358,315.10/594,080.28
  6. Step 6: Final answer
    x = 392,237.15

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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.