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Finding the Fourth Proportional to 532,617.90, 798,538.05 and 216,912.30

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Solution

The fourth proportional to 532,617.90, 798,538.05 and 216,912.30 is: 325,210.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,617.90 : 798,538.05 = 216,912.30 : x
  2. Step 2: Convert to fraction form
    532,617.90/798,538.05 = 216,912.30/x
  3. Step 3: Cross multiply
    532,617.90x = 798,538.05 × 216,912.30
  4. Step 4: Simplify right side
    532,617.90x = 173,212,725,063.02
  5. Step 5: Solve for x
    x = 173,212,725,063.02/532,617.90
  6. Step 6: Final answer
    x = 325,210.11

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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.