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Finding the Fourth Proportional to 268,999.60, 402,462.60 and 175,687.60

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Solution

The fourth proportional to 268,999.60, 402,462.60 and 175,687.60 is: 262,854.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,999.60 : 402,462.60 = 175,687.60 : x
  2. Step 2: Convert to fraction form
    268,999.60/402,462.60 = 175,687.60/x
  3. Step 3: Cross multiply
    268,999.60x = 402,462.60 × 175,687.60
  4. Step 4: Simplify right side
    268,999.60x = 70,707,688,283.76
  5. Step 5: Solve for x
    x = 70,707,688,283.76/268,999.60
  6. Step 6: Final answer
    x = 262,854.25

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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.