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Finding the Fourth Proportional to 376,490.40, 564,217.20 and 249,770.40

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Solution

The fourth proportional to 376,490.40, 564,217.20 and 249,770.40 is: 374,311.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,490.40 : 564,217.20 = 249,770.40 : x
  2. Step 2: Convert to fraction form
    376,490.40/564,217.20 = 249,770.40/x
  3. Step 3: Cross multiply
    376,490.40x = 564,217.20 × 249,770.40
  4. Step 4: Simplify right side
    376,490.40x = 140,924,755,730.88
  5. Step 5: Solve for x
    x = 140,924,755,730.88/376,490.40
  6. Step 6: Final answer
    x = 374,311.68

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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.