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Finding the Fourth Proportional to 337,590.40, 506,320.80 and 100,940.80

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Solution

The fourth proportional to 337,590.40, 506,320.80 and 100,940.80 is: 151,391.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,590.40 : 506,320.80 = 100,940.80 : x
  2. Step 2: Convert to fraction form
    337,590.40/506,320.80 = 100,940.80/x
  3. Step 3: Cross multiply
    337,590.40x = 506,320.80 × 100,940.80
  4. Step 4: Simplify right side
    337,590.40x = 51,108,426,608.64
  5. Step 5: Solve for x
    x = 51,108,426,608.64/337,590.40
  6. Step 6: Final answer
    x = 151,391.82

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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.