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Finding the Fourth Proportional to 977,191.68, 1,348,667 and 547,500.88

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Solution

The fourth proportional to 977,191.68, 1,348,667 and 547,500.88 is: 755,631.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,191.68 : 1,348,667 = 547,500.88 : x
  2. Step 2: Convert to fraction form
    977,191.68/1,348,667 = 547,500.88/x
  3. Step 3: Cross multiply
    977,191.68x = 1,348,667 × 547,500.88
  4. Step 4: Simplify right side
    977,191.68x = 738,396,369,326.96
  5. Step 5: Solve for x
    x = 738,396,369,326.96/977,191.68
  6. Step 6: Final answer
    x = 755,631.04

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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.