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Finding the Fourth Proportional to 613,676.38, 846,437.17 and 409,624.42

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Solution

The fourth proportional to 613,676.38, 846,437.17 and 409,624.42 is: 564,990.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,676.38 : 846,437.17 = 409,624.42 : x
  2. Step 2: Convert to fraction form
    613,676.38/846,437.17 = 409,624.42/x
  3. Step 3: Cross multiply
    613,676.38x = 846,437.17 × 409,624.42
  4. Step 4: Simplify right side
    613,676.38x = 346,721,334,827.69
  5. Step 5: Solve for x
    x = 346,721,334,827.69/613,676.38
  6. Step 6: Final answer
    x = 564,990.52

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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.