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Finding the Fourth Proportional to 474,438.66, 654,719.52 and 259,575.63

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Solution

The fourth proportional to 474,438.66, 654,719.52 and 259,575.63 is: 358,211.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,438.66 : 654,719.52 = 259,575.63 : x
  2. Step 2: Convert to fraction form
    474,438.66/654,719.52 = 259,575.63/x
  3. Step 3: Cross multiply
    474,438.66x = 654,719.52 × 259,575.63
  4. Step 4: Simplify right side
    474,438.66x = 169,949,231,877.30
  5. Step 5: Solve for x
    x = 169,949,231,877.30/474,438.66
  6. Step 6: Final answer
    x = 358,211.18

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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.