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Finding the Fourth Proportional to 976,680, 1,471,675.08 and 803,076

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Solution

The fourth proportional to 976,680, 1,471,675.08 and 803,076 is: 1,210,086.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,680 : 1,471,675.08 = 803,076 : x
  2. Step 2: Convert to fraction form
    976,680/1,471,675.08 = 803,076/x
  3. Step 3: Cross multiply
    976,680x = 1,471,675.08 × 803,076
  4. Step 4: Simplify right side
    976,680x = 1,181,866,936,546.08
  5. Step 5: Solve for x
    x = 1,181,866,936,546.08/976,680
  6. Step 6: Final answer
    x = 1,210,086.15

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.