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Finding the Fourth Proportional to 532,505.90, 798,370.05 and 216,800.30

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Solution

The fourth proportional to 532,505.90, 798,370.05 and 216,800.30 is: 325,042.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,505.90 : 798,370.05 = 216,800.30 : x
  2. Step 2: Convert to fraction form
    532,505.90/798,370.05 = 216,800.30/x
  3. Step 3: Cross multiply
    532,505.90x = 798,370.05 × 216,800.30
  4. Step 4: Simplify right side
    532,505.90x = 173,086,866,351.02
  5. Step 5: Solve for x
    x = 173,086,866,351.02/532,505.90
  6. Step 6: Final answer
    x = 325,042.16

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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.