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Finding the Fourth Proportional to 543,332.70, 814,999.05 and 342,566.10

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Solution

The fourth proportional to 543,332.70, 814,999.05 and 342,566.10 is: 513,849.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,332.70 : 814,999.05 = 342,566.10 : x
  2. Step 2: Convert to fraction form
    543,332.70/814,999.05 = 342,566.10/x
  3. Step 3: Cross multiply
    543,332.70x = 814,999.05 × 342,566.10
  4. Step 4: Simplify right side
    543,332.70x = 279,191,046,062.21
  5. Step 5: Solve for x
    x = 279,191,046,062.21/543,332.70
  6. Step 6: Final answer
    x = 513,849.15

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Similar ratio
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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.