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Finding the Fourth Proportional to 648,602.06, 895,002.94 and 376,616.94

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Solution

The fourth proportional to 648,602.06, 895,002.94 and 376,616.94 is: 519,691.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,602.06 : 895,002.94 = 376,616.94 : x
  2. Step 2: Convert to fraction form
    648,602.06/895,002.94 = 376,616.94/x
  3. Step 3: Cross multiply
    648,602.06x = 895,002.94 × 376,616.94
  4. Step 4: Simplify right side
    648,602.06x = 337,073,268,553.80
  5. Step 5: Solve for x
    x = 337,073,268,553.80/648,602.06
  6. Step 6: Final answer
    x = 519,691.95

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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.