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Finding the Fourth Proportional to 598,700.80, 898,051.20 and 155,468.80

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Solution

The fourth proportional to 598,700.80, 898,051.20 and 155,468.80 is: 233,203.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,700.80 : 898,051.20 = 155,468.80 : x
  2. Step 2: Convert to fraction form
    598,700.80/898,051.20 = 155,468.80/x
  3. Step 3: Cross multiply
    598,700.80x = 898,051.20 × 155,468.80
  4. Step 4: Simplify right side
    598,700.80x = 139,618,942,402.56
  5. Step 5: Solve for x
    x = 139,618,942,402.56/598,700.80
  6. Step 6: Final answer
    x = 233,203.20

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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.