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Finding the Fourth Proportional to 354,732.40, 532,098.60 and 248,444.20

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Solution

The fourth proportional to 354,732.40, 532,098.60 and 248,444.20 is: 372,666.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,732.40 : 532,098.60 = 248,444.20 : x
  2. Step 2: Convert to fraction form
    354,732.40/532,098.60 = 248,444.20/x
  3. Step 3: Cross multiply
    354,732.40x = 532,098.60 × 248,444.20
  4. Step 4: Simplify right side
    354,732.40x = 132,196,810,998.12
  5. Step 5: Solve for x
    x = 132,196,810,998.12/354,732.40
  6. Step 6: Final answer
    x = 372,666.30

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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.