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Finding the Fourth Proportional to 6,242,781.60, 9,361,839.60 and 4,343,882.40

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Solution

The fourth proportional to 6,242,781.60, 9,361,839.60 and 4,343,882.40 is: 6,514,200.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,242,781.60 : 9,361,839.60 = 4,343,882.40 : x
  2. Step 2: Convert to fraction form
    6,242,781.60/9,361,839.60 = 4,343,882.40/x
  3. Step 3: Cross multiply
    6,242,781.60x = 9,361,839.60 × 4,343,882.40
  4. Step 4: Simplify right side
    6,242,781.60x = 40,666,730,270,063.04
  5. Step 5: Solve for x
    x = 40,666,730,270,063.04/6,242,781.60
  6. Step 6: Final answer
    x = 6,514,200.38

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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.