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Finding the Fourth Proportional to 388,954.80, 583,432.14 and 93,466.80

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Solution

The fourth proportional to 388,954.80, 583,432.14 and 93,466.80 is: 140,200.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,954.80 : 583,432.14 = 93,466.80 : x
  2. Step 2: Convert to fraction form
    388,954.80/583,432.14 = 93,466.80/x
  3. Step 3: Cross multiply
    388,954.80x = 583,432.14 × 93,466.80
  4. Step 4: Simplify right side
    388,954.80x = 54,531,535,142.95
  5. Step 5: Solve for x
    x = 54,531,535,142.95/388,954.80
  6. Step 6: Final answer
    x = 140,200.19

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Similar ratio
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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.