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Finding the Fourth Proportional to 298,952,442.60, 448,428,663.90 and 250,485,023.40

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Solution

The fourth proportional to 298,952,442.60, 448,428,663.90 and 250,485,023.40 is: 375,727,535.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,952,442.60 : 448,428,663.90 = 250,485,023.40 : x
  2. Step 2: Convert to fraction form
    298,952,442.60/448,428,663.90 = 250,485,023.40/x
  3. Step 3: Cross multiply
    298,952,442.60x = 448,428,663.90 × 250,485,023.40
  4. Step 4: Simplify right side
    298,952,442.60x = 112,324,664,370,222,224
  5. Step 5: Solve for x
    x = 112,324,664,370,222,224/298,952,442.60
  6. Step 6: Final answer
    x = 375,727,535.10

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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.