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Finding the Fourth Proportional to 480,591.40, 663,230.10 and 262,812.88

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Solution

The fourth proportional to 480,591.40, 663,230.10 and 262,812.88 is: 362,689.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,591.40 : 663,230.10 = 262,812.88 : x
  2. Step 2: Convert to fraction form
    480,591.40/663,230.10 = 262,812.88/x
  3. Step 3: Cross multiply
    480,591.40x = 663,230.10 × 262,812.88
  4. Step 4: Simplify right side
    480,591.40x = 174,305,412,683.69
  5. Step 5: Solve for x
    x = 174,305,412,683.69/480,591.40
  6. Step 6: Final answer
    x = 362,689.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.