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Finding the Fourth Proportional to 609,874.80, 914,812.20 and 598,210.80

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Solution

The fourth proportional to 609,874.80, 914,812.20 and 598,210.80 is: 897,316.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,874.80 : 914,812.20 = 598,210.80 : x
  2. Step 2: Convert to fraction form
    609,874.80/914,812.20 = 598,210.80/x
  3. Step 3: Cross multiply
    609,874.80x = 914,812.20 × 598,210.80
  4. Step 4: Simplify right side
    609,874.80x = 547,250,538,011.76
  5. Step 5: Solve for x
    x = 547,250,538,011.76/609,874.80
  6. Step 6: Final answer
    x = 897,316.20

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Similar ratio
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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.