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Finding the Fourth Proportional to 302,342.76, 453,514.72 and 112,800.32

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Solution

The fourth proportional to 302,342.76, 453,514.72 and 112,800.32 is: 169,200.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,342.76 : 453,514.72 = 112,800.32 : x
  2. Step 2: Convert to fraction form
    302,342.76/453,514.72 = 112,800.32/x
  3. Step 3: Cross multiply
    302,342.76x = 453,514.72 × 112,800.32
  4. Step 4: Simplify right side
    302,342.76x = 51,156,605,540.71
  5. Step 5: Solve for x
    x = 51,156,605,540.71/302,342.76
  6. Step 6: Final answer
    x = 169,200.70

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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.