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Finding the Fourth Proportional to 376,498.40, 564,229.20 and 249,778.40

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Solution

The fourth proportional to 376,498.40, 564,229.20 and 249,778.40 is: 374,323.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,498.40 : 564,229.20 = 249,778.40 : x
  2. Step 2: Convert to fraction form
    376,498.40/564,229.20 = 249,778.40/x
  3. Step 3: Cross multiply
    376,498.40x = 564,229.20 × 249,778.40
  4. Step 4: Simplify right side
    376,498.40x = 140,932,266,809.28
  5. Step 5: Solve for x
    x = 140,932,266,809.28/376,498.40
  6. Step 6: Final answer
    x = 374,323.68

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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.