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Finding the Fourth Proportional to 440,053,486.90, 660,080,230.35 and 440,053,486.90

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Solution

The fourth proportional to 440,053,486.90, 660,080,230.35 and 440,053,486.90 is: 660,080,230.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,053,486.90 : 660,080,230.35 = 440,053,486.90 : x
  2. Step 2: Convert to fraction form
    440,053,486.90/660,080,230.35 = 440,053,486.90/x
  3. Step 3: Cross multiply
    440,053,486.90x = 660,080,230.35 × 440,053,486.90
  4. Step 4: Simplify right side
    440,053,486.90x = 290,470,606,999,272,704
  5. Step 5: Solve for x
    x = 290,470,606,999,272,704/440,053,486.90
  6. Step 6: Final answer
    x = 660,080,230.35

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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.