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Finding the Fourth Proportional to 531,348.60, 797,022.90 and 342,391.80

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Solution

The fourth proportional to 531,348.60, 797,022.90 and 342,391.80 is: 513,587.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,348.60 : 797,022.90 = 342,391.80 : x
  2. Step 2: Convert to fraction form
    531,348.60/797,022.90 = 342,391.80/x
  3. Step 3: Cross multiply
    531,348.60x = 797,022.90 × 342,391.80
  4. Step 4: Simplify right side
    531,348.60x = 272,894,105,372.22
  5. Step 5: Solve for x
    x = 272,894,105,372.22/531,348.60
  6. Step 6: Final answer
    x = 513,587.70

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Similar ratio
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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.