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Finding the Fourth Proportional to 531,605.77, 797,411.55 and 132,246.54

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Solution

The fourth proportional to 531,605.77, 797,411.55 and 132,246.54 is: 198,370.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,605.77 : 797,411.55 = 132,246.54 : x
  2. Step 2: Convert to fraction form
    531,605.77/797,411.55 = 132,246.54/x
  3. Step 3: Cross multiply
    531,605.77x = 797,411.55 × 132,246.54
  4. Step 4: Simplify right side
    531,605.77x = 105,454,918,939.46
  5. Step 5: Solve for x
    x = 105,454,918,939.46/531,605.77
  6. Step 6: Final answer
    x = 198,370.53

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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.