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Finding the Fourth Proportional to 532,695.30, 799,042.95 and 216,989.70

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Solution

The fourth proportional to 532,695.30, 799,042.95 and 216,989.70 is: 325,484.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,695.30 : 799,042.95 = 216,989.70 : x
  2. Step 2: Convert to fraction form
    532,695.30/799,042.95 = 216,989.70/x
  3. Step 3: Cross multiply
    532,695.30x = 799,042.95 × 216,989.70
  4. Step 4: Simplify right side
    532,695.30x = 173,384,090,007.62
  5. Step 5: Solve for x
    x = 173,384,090,007.62/532,695.30
  6. Step 6: Final answer
    x = 325,484.55

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Double scale
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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.