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Finding the Fourth Proportional to 474,518.28, 654,835.28 and 259,660.11

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Solution

The fourth proportional to 474,518.28, 654,835.28 and 259,660.11 is: 358,330.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,518.28 : 654,835.28 = 259,660.11 : x
  2. Step 2: Convert to fraction form
    474,518.28/654,835.28 = 259,660.11/x
  3. Step 3: Cross multiply
    474,518.28x = 654,835.28 × 259,660.11
  4. Step 4: Simplify right side
    474,518.28x = 170,034,599,538.38
  5. Step 5: Solve for x
    x = 170,034,599,538.38/474,518.28
  6. Step 6: Final answer
    x = 358,330.98

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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.