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Finding the Fourth Proportional to 648,873.15, 895,356.50 and 362,356.71

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Solution

The fourth proportional to 648,873.15, 895,356.50 and 362,356.71 is: 500,002.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,873.15 : 895,356.50 = 362,356.71 : x
  2. Step 2: Convert to fraction form
    648,873.15/895,356.50 = 362,356.71/x
  3. Step 3: Cross multiply
    648,873.15x = 895,356.50 × 362,356.71
  4. Step 4: Simplify right side
    648,873.15x = 324,438,433,805.33
  5. Step 5: Solve for x
    x = 324,438,433,805.33/648,873.15
  6. Step 6: Final answer
    x = 500,002.86

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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.