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Finding the Fourth Proportional to 484,779.90, 726,709.77 and 169,152.06

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Solution

The fourth proportional to 484,779.90, 726,709.77 and 169,152.06 is: 253,567.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,779.90 : 726,709.77 = 169,152.06 : x
  2. Step 2: Convert to fraction form
    484,779.90/726,709.77 = 169,152.06/x
  3. Step 3: Cross multiply
    484,779.90x = 726,709.77 × 169,152.06
  4. Step 4: Simplify right side
    484,779.90x = 122,924,454,617.63
  5. Step 5: Solve for x
    x = 122,924,454,617.63/484,779.90
  6. Step 6: Final answer
    x = 253,567.56

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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.