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Finding the Fourth Proportional to 471,246.30, 706,869.45 and 377,934.30

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Solution

The fourth proportional to 471,246.30, 706,869.45 and 377,934.30 is: 566,901.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,246.30 : 706,869.45 = 377,934.30 : x
  2. Step 2: Convert to fraction form
    471,246.30/706,869.45 = 377,934.30/x
  3. Step 3: Cross multiply
    471,246.30x = 706,869.45 × 377,934.30
  4. Step 4: Simplify right side
    471,246.30x = 267,150,210,777.14
  5. Step 5: Solve for x
    x = 267,150,210,777.14/471,246.30
  6. Step 6: Final answer
    x = 566,901.45

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Similar ratio
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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.