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Finding the Fourth Proportional to 663,199.60, 992,682.60 and 523,231.60

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Solution

The fourth proportional to 663,199.60, 992,682.60 and 523,231.60 is: 783,177.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,199.60 : 992,682.60 = 523,231.60 : x
  2. Step 2: Convert to fraction form
    663,199.60/992,682.60 = 523,231.60/x
  3. Step 3: Cross multiply
    663,199.60x = 992,682.60 × 523,231.60
  4. Step 4: Simplify right side
    663,199.60x = 519,402,905,090.16
  5. Step 5: Solve for x
    x = 519,402,905,090.16/663,199.60
  6. Step 6: Final answer
    x = 783,177.35

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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.