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Finding the Fourth Proportional to 283,068.19, 424,280.39 and 147,923.90

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Solution

The fourth proportional to 283,068.19, 424,280.39 and 147,923.90 is: 221,717.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,068.19 : 424,280.39 = 147,923.90 : x
  2. Step 2: Convert to fraction form
    283,068.19/424,280.39 = 147,923.90/x
  3. Step 3: Cross multiply
    283,068.19x = 424,280.39 × 147,923.90
  4. Step 4: Simplify right side
    283,068.19x = 62,761,208,559.15
  5. Step 5: Solve for x
    x = 62,761,208,559.15/283,068.19
  6. Step 6: Final answer
    x = 221,717.63

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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.