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Finding the Fourth Proportional to 704,123.33, 971,690.45 and 381,833.34

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Solution

The fourth proportional to 704,123.33, 971,690.45 and 381,833.34 is: 526,930.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,123.33 : 971,690.45 = 381,833.34 : x
  2. Step 2: Convert to fraction form
    704,123.33/971,690.45 = 381,833.34/x
  3. Step 3: Cross multiply
    704,123.33x = 971,690.45 × 381,833.34
  4. Step 4: Simplify right side
    704,123.33x = 371,023,808,060.44
  5. Step 5: Solve for x
    x = 371,023,808,060.44/704,123.33
  6. Step 6: Final answer
    x = 526,930.15

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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.