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Finding the Fourth Proportional to 356,423.65, 534,590.82 and 116,517.44

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Solution

The fourth proportional to 356,423.65, 534,590.82 and 116,517.44 is: 174,761.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,423.65 : 534,590.82 = 116,517.44 : x
  2. Step 2: Convert to fraction form
    356,423.65/534,590.82 = 116,517.44/x
  3. Step 3: Cross multiply
    356,423.65x = 534,590.82 × 116,517.44
  4. Step 4: Simplify right side
    356,423.65x = 62,289,155,130.38
  5. Step 5: Solve for x
    x = 62,289,155,130.38/356,423.65
  6. Step 6: Final answer
    x = 174,761.57

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1.5x scale

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.