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Finding the Fourth Proportional to 524,969.40, 787,454.10 and 192,502.20

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Solution

The fourth proportional to 524,969.40, 787,454.10 and 192,502.20 is: 288,753.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,969.40 : 787,454.10 = 192,502.20 : x
  2. Step 2: Convert to fraction form
    524,969.40/787,454.10 = 192,502.20/x
  3. Step 3: Cross multiply
    524,969.40x = 787,454.10 × 192,502.20
  4. Step 4: Simplify right side
    524,969.40x = 151,586,646,649.02
  5. Step 5: Solve for x
    x = 151,586,646,649.02/524,969.40
  6. Step 6: Final answer
    x = 288,753.30

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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.