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Finding the Fourth Proportional to 5,656,358.93, 7,805,938.19 and 3,078,203.04

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Solution

The fourth proportional to 5,656,358.93, 7,805,938.19 and 3,078,203.04 is: 4,248,008.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,656,358.93 : 7,805,938.19 = 3,078,203.04 : x
  2. Step 2: Convert to fraction form
    5,656,358.93/7,805,938.19 = 3,078,203.04/x
  3. Step 3: Cross multiply
    5,656,358.93x = 7,805,938.19 × 3,078,203.04
  4. Step 4: Simplify right side
    5,656,358.93x = 24,028,262,651,119.08
  5. Step 5: Solve for x
    x = 24,028,262,651,119.08/5,656,358.93
  6. Step 6: Final answer
    x = 4,248,008.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.