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Finding the Fourth Proportional to 649, 895.62 and 373

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Solution

The fourth proportional to 649, 895.62 and 373 is: 514.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    649 : 895.62 = 373 : x
  2. Step 2: Convert to fraction form
    649/895.62 = 373/x
  3. Step 3: Cross multiply
    649x = 895.62 × 373
  4. Step 4: Simplify right side
    649x = 334,066.26
  5. Step 5: Solve for x
    x = 334,066.26/649
  6. Step 6: Final answer
    x = 514.74

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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.