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Finding the Fourth Proportional to 704,132.72, 971,703.65 and 381,842.72

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Solution

The fourth proportional to 704,132.72, 971,703.65 and 381,842.72 is: 526,943.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,132.72 : 971,703.65 = 381,842.72 : x
  2. Step 2: Convert to fraction form
    704,132.72/971,703.65 = 381,842.72/x
  3. Step 3: Cross multiply
    704,132.72x = 971,703.65 × 381,842.72
  4. Step 4: Simplify right side
    704,132.72x = 371,037,962,840.71
  5. Step 5: Solve for x
    x = 371,037,962,840.71/704,132.72
  6. Step 6: Final answer
    x = 526,943.22

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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.