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Finding the Fourth Proportional to 288,732.60, 432,442.80 and 182,444.40

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Solution

The fourth proportional to 288,732.60, 432,442.80 and 182,444.40 is: 273,252.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,732.60 : 432,442.80 = 182,444.40 : x
  2. Step 2: Convert to fraction form
    288,732.60/432,442.80 = 182,444.40/x
  3. Step 3: Cross multiply
    288,732.60x = 432,442.80 × 182,444.40
  4. Step 4: Simplify right side
    288,732.60x = 78,896,767,180.32
  5. Step 5: Solve for x
    x = 78,896,767,180.32/288,732.60
  6. Step 6: Final answer
    x = 273,252.02

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1.5x scale

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.