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Finding the Fourth Proportional to 704,126.58, 971,694.93 and 381,836.58

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Solution

The fourth proportional to 704,126.58, 971,694.93 and 381,836.58 is: 526,934.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,126.58 : 971,694.93 = 381,836.58 : x
  2. Step 2: Convert to fraction form
    704,126.58/971,694.93 = 381,836.58/x
  3. Step 3: Cross multiply
    704,126.58x = 971,694.93 × 381,836.58
  4. Step 4: Simplify right side
    704,126.58x = 371,028,668,874.54
  5. Step 5: Solve for x
    x = 371,028,668,874.54/704,126.58
  6. Step 6: Final answer
    x = 526,934.62

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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.