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Finding the Fourth Proportional to 611,339.28, 916,386.84 and 566,082.96

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Solution

The fourth proportional to 611,339.28, 916,386.84 and 566,082.96 is: 848,548.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,339.28 : 916,386.84 = 566,082.96 : x
  2. Step 2: Convert to fraction form
    611,339.28/916,386.84 = 566,082.96/x
  3. Step 3: Cross multiply
    611,339.28x = 916,386.84 × 566,082.96
  4. Step 4: Simplify right side
    611,339.28x = 518,750,974,892.25
  5. Step 5: Solve for x
    x = 518,750,974,892.25/611,339.28
  6. Step 6: Final answer
    x = 848,548.41

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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.