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Finding the Fourth Proportional to 298,952,445.60, 448,428,668.40 and 250,485,026.40

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Solution

The fourth proportional to 298,952,445.60, 448,428,668.40 and 250,485,026.40 is: 375,727,539.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,952,445.60 : 448,428,668.40 = 250,485,026.40 : x
  2. Step 2: Convert to fraction form
    298,952,445.60/448,428,668.40 = 250,485,026.40/x
  3. Step 3: Cross multiply
    298,952,445.60x = 448,428,668.40 × 250,485,026.40
  4. Step 4: Simplify right side
    298,952,445.60x = 112,324,666,842,690,848
  5. Step 5: Solve for x
    x = 112,324,666,842,690,848/298,952,445.60
  6. Step 6: Final answer
    x = 375,727,539.60

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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.