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Finding the Fourth Proportional to 552,534.54, 763,856.30 and 547,482.58

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Solution

The fourth proportional to 552,534.54, 763,856.30 and 547,482.58 is: 756,872.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,534.54 : 763,856.30 = 547,482.58 : x
  2. Step 2: Convert to fraction form
    552,534.54/763,856.30 = 547,482.58/x
  3. Step 3: Cross multiply
    552,534.54x = 763,856.30 × 547,482.58
  4. Step 4: Simplify right side
    552,534.54x = 418,198,017,873.25
  5. Step 5: Solve for x
    x = 418,198,017,873.25/552,534.54
  6. Step 6: Final answer
    x = 756,872.17

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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.