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Finding the Fourth Proportional to 6,798,743.60, 10,174,495.80 and 6,231,873.20

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Solution

The fourth proportional to 6,798,743.60, 10,174,495.80 and 6,231,873.20 is: 9,326,159.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,798,743.60 : 10,174,495.80 = 6,231,873.20 : x
  2. Step 2: Convert to fraction form
    6,798,743.60/10,174,495.80 = 6,231,873.20/x
  3. Step 3: Cross multiply
    6,798,743.60x = 10,174,495.80 × 6,231,873.20
  4. Step 4: Simplify right side
    6,798,743.60x = 63,406,167,699,532.57
  5. Step 5: Solve for x
    x = 63,406,167,699,532.57/6,798,743.60
  6. Step 6: Final answer
    x = 9,326,159.57

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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.