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Finding the Fourth Proportional to 704,633.12, 971,051.34 and 691,677.62

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Solution

The fourth proportional to 704,633.12, 971,051.34 and 691,677.62 is: 953,197.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,633.12 : 971,051.34 = 691,677.62 : x
  2. Step 2: Convert to fraction form
    704,633.12/971,051.34 = 691,677.62/x
  3. Step 3: Cross multiply
    704,633.12x = 971,051.34 × 691,677.62
  4. Step 4: Simplify right side
    704,633.12x = 671,654,479,749.01
  5. Step 5: Solve for x
    x = 671,654,479,749.01/704,633.12
  6. Step 6: Final answer
    x = 953,197.43

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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.