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Finding the Fourth Proportional to 453,650.02, 680,517.42 and 133,802.20

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Solution

The fourth proportional to 453,650.02, 680,517.42 and 133,802.20 is: 200,715.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,650.02 : 680,517.42 = 133,802.20 : x
  2. Step 2: Convert to fraction form
    453,650.02/680,517.42 = 133,802.20/x
  3. Step 3: Cross multiply
    453,650.02x = 680,517.42 × 133,802.20
  4. Step 4: Simplify right side
    453,650.02x = 91,054,727,934.32
  5. Step 5: Solve for x
    x = 91,054,727,934.32/453,650.02
  6. Step 6: Final answer
    x = 200,715.80

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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.