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Finding the Fourth Proportional to 254,487.20, 381,730.80 and 232,714.40

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Solution

The fourth proportional to 254,487.20, 381,730.80 and 232,714.40 is: 349,071.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,487.20 : 381,730.80 = 232,714.40 : x
  2. Step 2: Convert to fraction form
    254,487.20/381,730.80 = 232,714.40/x
  3. Step 3: Cross multiply
    254,487.20x = 381,730.80 × 232,714.40
  4. Step 4: Simplify right side
    254,487.20x = 88,834,254,083.52
  5. Step 5: Solve for x
    x = 88,834,254,083.52/254,487.20
  6. Step 6: Final answer
    x = 349,071.60

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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.