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Finding the Fourth Proportional to 662,535.76, 991,937.40 and 595,351.12

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Solution

The fourth proportional to 662,535.76, 991,937.40 and 595,351.12 is: 891,349.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,535.76 : 991,937.40 = 595,351.12 : x
  2. Step 2: Convert to fraction form
    662,535.76/991,937.40 = 595,351.12/x
  3. Step 3: Cross multiply
    662,535.76x = 991,937.40 × 595,351.12
  4. Step 4: Simplify right side
    662,535.76x = 590,551,042,059.89
  5. Step 5: Solve for x
    x = 590,551,042,059.89/662,535.76
  6. Step 6: Final answer
    x = 891,349.69

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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.