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Finding the Fourth Proportional to 456,161.52, 684,278.76 and 156,521.52

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Solution

The fourth proportional to 456,161.52, 684,278.76 and 156,521.52 is: 234,794.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,161.52 : 684,278.76 = 156,521.52 : x
  2. Step 2: Convert to fraction form
    456,161.52/684,278.76 = 156,521.52/x
  3. Step 3: Cross multiply
    456,161.52x = 684,278.76 × 156,521.52
  4. Step 4: Simplify right side
    456,161.52x = 107,104,351,618.92
  5. Step 5: Solve for x
    x = 107,104,351,618.92/456,161.52
  6. Step 6: Final answer
    x = 234,794.80

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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.