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Finding the Fourth Proportional to 297,290,127.60, 445,935,191.40 and 297,290,127.60

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Solution

The fourth proportional to 297,290,127.60, 445,935,191.40 and 297,290,127.60 is: 445,935,191.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,290,127.60 : 445,935,191.40 = 297,290,127.60 : x
  2. Step 2: Convert to fraction form
    297,290,127.60/445,935,191.40 = 297,290,127.60/x
  3. Step 3: Cross multiply
    297,290,127.60x = 445,935,191.40 × 297,290,127.60
  4. Step 4: Simplify right side
    297,290,127.60x = 132,572,129,952,636,432
  5. Step 5: Solve for x
    x = 132,572,129,952,636,432/297,290,127.60
  6. Step 6: Final answer
    x = 445,935,191.40

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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.