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Finding the Fourth Proportional to 704,132.19, 971,702.97 and 381,842.22

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Solution

The fourth proportional to 704,132.19, 971,702.97 and 381,842.22 is: 526,942.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,132.19 : 971,702.97 = 381,842.22 : x
  2. Step 2: Convert to fraction form
    704,132.19/971,702.97 = 381,842.22/x
  3. Step 3: Cross multiply
    704,132.19x = 971,702.97 × 381,842.22
  4. Step 4: Simplify right side
    704,132.19x = 371,037,219,245.39
  5. Step 5: Solve for x
    x = 371,037,219,245.39/704,132.19
  6. Step 6: Final answer
    x = 526,942.56

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Double scale
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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.