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Finding the Fourth Proportional to 283,218.90, 424,890.86 and 93,738.30

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Solution

The fourth proportional to 283,218.90, 424,890.86 and 93,738.30 is: 140,628.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,218.90 : 424,890.86 = 93,738.30 : x
  2. Step 2: Convert to fraction form
    283,218.90/424,890.86 = 93,738.30/x
  3. Step 3: Cross multiply
    283,218.90x = 424,890.86 × 93,738.30
  4. Step 4: Simplify right side
    283,218.90x = 39,828,546,433.25
  5. Step 5: Solve for x
    x = 39,828,546,433.25/283,218.90
  6. Step 6: Final answer
    x = 140,628.14

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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.