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Finding the Fourth Proportional to 663,225.60, 992,721.60 and 523,257.60

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Solution

The fourth proportional to 663,225.60, 992,721.60 and 523,257.60 is: 783,216.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,225.60 : 992,721.60 = 523,257.60 : x
  2. Step 2: Convert to fraction form
    663,225.60/992,721.60 = 523,257.60/x
  3. Step 3: Cross multiply
    663,225.60x = 992,721.60 × 523,257.60
  4. Step 4: Simplify right side
    663,225.60x = 519,449,121,884.16
  5. Step 5: Solve for x
    x = 519,449,121,884.16/663,225.60
  6. Step 6: Final answer
    x = 783,216.33

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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.