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Finding the Fourth Proportional to 625,600.80, 938,401.20 and 598,298.40

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Solution

The fourth proportional to 625,600.80, 938,401.20 and 598,298.40 is: 897,447.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,600.80 : 938,401.20 = 598,298.40 : x
  2. Step 2: Convert to fraction form
    625,600.80/938,401.20 = 598,298.40/x
  3. Step 3: Cross multiply
    625,600.80x = 938,401.20 × 598,298.40
  4. Step 4: Simplify right side
    625,600.80x = 561,443,936,518.08
  5. Step 5: Solve for x
    x = 561,443,936,518.08/625,600.80
  6. Step 6: Final answer
    x = 897,447.60

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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.