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Finding the Fourth Proportional to 553,168.80, 829,753.20 and 553,168.80

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Solution

The fourth proportional to 553,168.80, 829,753.20 and 553,168.80 is: 829,753.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,168.80 : 829,753.20 = 553,168.80 : x
  2. Step 2: Convert to fraction form
    553,168.80/829,753.20 = 553,168.80/x
  3. Step 3: Cross multiply
    553,168.80x = 829,753.20 × 553,168.80
  4. Step 4: Simplify right side
    553,168.80x = 458,993,581,940.16
  5. Step 5: Solve for x
    x = 458,993,581,940.16/553,168.80
  6. Step 6: Final answer
    x = 829,753.20

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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.