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Finding the Fourth Proportional to 656,998.80, 985,498.20 and 594,013.20

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Solution

The fourth proportional to 656,998.80, 985,498.20 and 594,013.20 is: 891,019.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,998.80 : 985,498.20 = 594,013.20 : x
  2. Step 2: Convert to fraction form
    656,998.80/985,498.20 = 594,013.20/x
  3. Step 3: Cross multiply
    656,998.80x = 985,498.20 × 594,013.20
  4. Step 4: Simplify right side
    656,998.80x = 585,398,939,376.24
  5. Step 5: Solve for x
    x = 585,398,939,376.24/656,998.80
  6. Step 6: Final answer
    x = 891,019.80

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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.