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Finding the Fourth Proportional to 649,165.71, 895,832.15 and 362,687.93

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Solution

The fourth proportional to 649,165.71, 895,832.15 and 362,687.93 is: 500,500.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,165.71 : 895,832.15 = 362,687.93 : x
  2. Step 2: Convert to fraction form
    649,165.71/895,832.15 = 362,687.93/x
  3. Step 3: Cross multiply
    649,165.71x = 895,832.15 × 362,687.93
  4. Step 4: Simplify right side
    649,165.71x = 324,907,501,818.35
  5. Step 5: Solve for x
    x = 324,907,501,818.35/649,165.71
  6. Step 6: Final answer
    x = 500,500.10

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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.