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Finding the Fourth Proportional to 433,710.80, 649,691.40 and 246,503.60

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Solution

The fourth proportional to 433,710.80, 649,691.40 and 246,503.60 is: 369,258.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,710.80 : 649,691.40 = 246,503.60 : x
  2. Step 2: Convert to fraction form
    433,710.80/649,691.40 = 246,503.60/x
  3. Step 3: Cross multiply
    433,710.80x = 649,691.40 × 246,503.60
  4. Step 4: Simplify right side
    433,710.80x = 160,151,268,989.04
  5. Step 5: Solve for x
    x = 160,151,268,989.04/433,710.80
  6. Step 6: Final answer
    x = 369,258.20

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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.