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Finding the Fourth Proportional to 300,613.92, 450,205.12 and 173,987.52

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Solution

The fourth proportional to 300,613.92, 450,205.12 and 173,987.52 is: 260,567.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,613.92 : 450,205.12 = 173,987.52 : x
  2. Step 2: Convert to fraction form
    300,613.92/450,205.12 = 173,987.52/x
  3. Step 3: Cross multiply
    300,613.92x = 450,205.12 × 173,987.52
  4. Step 4: Simplify right side
    300,613.92x = 78,330,072,320.10
  5. Step 5: Solve for x
    x = 78,330,072,320.10/300,613.92
  6. Step 6: Final answer
    x = 260,567.02

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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.