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Finding the Fourth Proportional to 474,612.32, 654,950.40 and 259,747.76

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Solution

The fourth proportional to 474,612.32, 654,950.40 and 259,747.76 is: 358,443.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,612.32 : 654,950.40 = 259,747.76 : x
  2. Step 2: Convert to fraction form
    474,612.32/654,950.40 = 259,747.76/x
  3. Step 3: Cross multiply
    474,612.32x = 654,950.40 × 259,747.76
  4. Step 4: Simplify right side
    474,612.32x = 170,121,899,311.10
  5. Step 5: Solve for x
    x = 170,121,899,311.10/474,612.32
  6. Step 6: Final answer
    x = 358,443.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.