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Finding the Fourth Proportional to 262,799.52, 362,652.84 and 155,432.40

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Solution

The fourth proportional to 262,799.52, 362,652.84 and 155,432.40 is: 214,490.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,799.52 : 362,652.84 = 155,432.40 : x
  2. Step 2: Convert to fraction form
    262,799.52/362,652.84 = 155,432.40/x
  3. Step 3: Cross multiply
    262,799.52x = 362,652.84 × 155,432.40
  4. Step 4: Simplify right side
    262,799.52x = 56,368,001,288.02
  5. Step 5: Solve for x
    x = 56,368,001,288.02/262,799.52
  6. Step 6: Final answer
    x = 214,490.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.