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Finding the Fourth Proportional to 704,632.62, 971,050.68 and 691,677.12

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Solution

The fourth proportional to 704,632.62, 971,050.68 and 691,677.12 is: 953,196.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,632.62 : 971,050.68 = 691,677.12 : x
  2. Step 2: Convert to fraction form
    704,632.62/971,050.68 = 691,677.12/x
  3. Step 3: Cross multiply
    704,632.62x = 971,050.68 × 691,677.12
  4. Step 4: Simplify right side
    704,632.62x = 671,653,537,716.44
  5. Step 5: Solve for x
    x = 671,653,537,716.44/704,632.62
  6. Step 6: Final answer
    x = 953,196.77

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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.