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Finding the Fourth Proportional to 357,577.80, 536,835.48 and 239,776.26

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Solution

The fourth proportional to 357,577.80, 536,835.48 and 239,776.26 is: 359,978.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,577.80 : 536,835.48 = 239,776.26 : x
  2. Step 2: Convert to fraction form
    357,577.80/536,835.48 = 239,776.26/x
  3. Step 3: Cross multiply
    357,577.80x = 536,835.48 × 239,776.26
  4. Step 4: Simplify right side
    357,577.80x = 128,720,403,629.71
  5. Step 5: Solve for x
    x = 128,720,403,629.71/357,577.80
  6. Step 6: Final answer
    x = 359,978.73

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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.