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Finding the Fourth Proportional to 453,561.80, 680,601.90 and 173,280.20

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Solution

The fourth proportional to 453,561.80, 680,601.90 and 173,280.20 is: 260,019.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,561.80 : 680,601.90 = 173,280.20 : x
  2. Step 2: Convert to fraction form
    453,561.80/680,601.90 = 173,280.20/x
  3. Step 3: Cross multiply
    453,561.80x = 680,601.90 × 173,280.20
  4. Step 4: Simplify right side
    453,561.80x = 117,934,833,352.38
  5. Step 5: Solve for x
    x = 117,934,833,352.38/453,561.80
  6. Step 6: Final answer
    x = 260,019.33

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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.