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Finding the Fourth Proportional to 267,060.60, 400,655.70 and 188,328.60

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Solution

The fourth proportional to 267,060.60, 400,655.70 and 188,328.60 is: 282,538.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,060.60 : 400,655.70 = 188,328.60 : x
  2. Step 2: Convert to fraction form
    267,060.60/400,655.70 = 188,328.60/x
  3. Step 3: Cross multiply
    267,060.60x = 400,655.70 × 188,328.60
  4. Step 4: Simplify right side
    267,060.60x = 75,454,927,063.02
  5. Step 5: Solve for x
    x = 75,454,927,063.02/267,060.60
  6. Step 6: Final answer
    x = 282,538.60

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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.