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Finding the Fourth Proportional to 440,221,070.60, 660,331,605.90 and 440,221,070.60

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Solution

The fourth proportional to 440,221,070.60, 660,331,605.90 and 440,221,070.60 is: 660,331,605.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,221,070.60 : 660,331,605.90 = 440,221,070.60 : x
  2. Step 2: Convert to fraction form
    440,221,070.60/660,331,605.90 = 440,221,070.60/x
  3. Step 3: Cross multiply
    440,221,070.60x = 660,331,605.90 × 440,221,070.60
  4. Step 4: Simplify right side
    440,221,070.60x = 290,691,886,500,315,264
  5. Step 5: Solve for x
    x = 290,691,886,500,315,264/440,221,070.60
  6. Step 6: Final answer
    x = 660,331,605.90

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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.