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Finding the Fourth Proportional to 590,098.88, 881,789.02 and 443,080.35

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Solution

The fourth proportional to 590,098.88, 881,789.02 and 443,080.35 is: 662,098.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,098.88 : 881,789.02 = 443,080.35 : x
  2. Step 2: Convert to fraction form
    590,098.88/881,789.02 = 443,080.35/x
  3. Step 3: Cross multiply
    590,098.88x = 881,789.02 × 443,080.35
  4. Step 4: Simplify right side
    590,098.88x = 390,703,386,500.06
  5. Step 5: Solve for x
    x = 390,703,386,500.06/590,098.88
  6. Step 6: Final answer
    x = 662,098.16

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.