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Finding the Fourth Proportional to 283,349.70, 424,922.40 and 93,775.06

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Solution

The fourth proportional to 283,349.70, 424,922.40 and 93,775.06 is: 140,628.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,349.70 : 424,922.40 = 93,775.06 : x
  2. Step 2: Convert to fraction form
    283,349.70/424,922.40 = 93,775.06/x
  3. Step 3: Cross multiply
    283,349.70x = 424,922.40 × 93,775.06
  4. Step 4: Simplify right side
    283,349.70x = 39,847,123,555.34
  5. Step 5: Solve for x
    x = 39,847,123,555.34/283,349.70
  6. Step 6: Final answer
    x = 140,628.78

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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.