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Finding the Fourth Proportional to 289,113.59, 433,692.26 and 89,454.16

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Solution

The fourth proportional to 289,113.59, 433,692.26 and 89,454.16 is: 134,188.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,113.59 : 433,692.26 = 89,454.16 : x
  2. Step 2: Convert to fraction form
    289,113.59/433,692.26 = 89,454.16/x
  3. Step 3: Cross multiply
    289,113.59x = 433,692.26 × 89,454.16
  4. Step 4: Simplify right side
    289,113.59x = 38,795,576,816.80
  5. Step 5: Solve for x
    x = 38,795,576,816.80/289,113.59
  6. Step 6: Final answer
    x = 134,188.01

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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.