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Finding the Fourth Proportional to 704,005.53, 971,526.71 and 381,715.10

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Solution

The fourth proportional to 704,005.53, 971,526.71 and 381,715.10 is: 526,766.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,005.53 : 971,526.71 = 381,715.10 : x
  2. Step 2: Convert to fraction form
    704,005.53/971,526.71 = 381,715.10/x
  3. Step 3: Cross multiply
    704,005.53x = 971,526.71 × 381,715.10
  4. Step 4: Simplify right side
    704,005.53x = 370,846,408,494.11
  5. Step 5: Solve for x
    x = 370,846,408,494.11/704,005.53
  6. Step 6: Final answer
    x = 526,766.33

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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.