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Finding the Fourth Proportional to 283,280.10, 424,920.20 and 93,689.58

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Solution

The fourth proportional to 283,280.10, 424,920.20 and 93,689.58 is: 140,534.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,280.10 : 424,920.20 = 93,689.58 : x
  2. Step 2: Convert to fraction form
    283,280.10/424,920.20 = 93,689.58/x
  3. Step 3: Cross multiply
    283,280.10x = 424,920.20 × 93,689.58
  4. Step 4: Simplify right side
    283,280.10x = 39,810,594,603.07
  5. Step 5: Solve for x
    x = 39,810,594,603.07/283,280.10
  6. Step 6: Final answer
    x = 140,534.38

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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.