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Finding the Fourth Proportional to 283,299.20, 424,948.80 and 96,310.70

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Solution

The fourth proportional to 283,299.20, 424,948.80 and 96,310.70 is: 144,466.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,299.20 : 424,948.80 = 96,310.70 : x
  2. Step 2: Convert to fraction form
    283,299.20/424,948.80 = 96,310.70/x
  3. Step 3: Cross multiply
    283,299.20x = 424,948.80 × 96,310.70
  4. Step 4: Simplify right side
    283,299.20x = 40,927,116,392.16
  5. Step 5: Solve for x
    x = 40,927,116,392.16/283,299.20
  6. Step 6: Final answer
    x = 144,466.05

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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.