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Finding the Fourth Proportional to 3,539,326, 5,309,008.80 and 879,934

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Solution

The fourth proportional to 3,539,326, 5,309,008.80 and 879,934 is: 1,319,905.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,539,326 : 5,309,008.80 = 879,934 : x
  2. Step 2: Convert to fraction form
    3,539,326/5,309,008.80 = 879,934/x
  3. Step 3: Cross multiply
    3,539,326x = 5,309,008.80 × 879,934
  4. Step 4: Simplify right side
    3,539,326x = 4,671,577,349,419.20
  5. Step 5: Solve for x
    x = 4,671,577,349,419.20/3,539,326
  6. Step 6: Final answer
    x = 1,319,905.92

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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.