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Finding the Fourth Proportional to 704,117.64, 971,673.85 and 381,823.89

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Solution

The fourth proportional to 704,117.64, 971,673.85 and 381,823.89 is: 526,912.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,117.64 : 971,673.85 = 381,823.89 : x
  2. Step 2: Convert to fraction form
    704,117.64/971,673.85 = 381,823.89/x
  3. Step 3: Cross multiply
    704,117.64x = 971,673.85 × 381,823.89
  4. Step 4: Simplify right side
    704,117.64x = 371,008,286,344.31
  5. Step 5: Solve for x
    x = 371,008,286,344.31/704,117.64
  6. Step 6: Final answer
    x = 526,912.36

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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.