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Finding the Fourth Proportional to 704,158.30, 971,736.51 and 381,867.40

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Solution

The fourth proportional to 704,158.30, 971,736.51 and 381,867.40 is: 526,975.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,158.30 : 971,736.51 = 381,867.40 : x
  2. Step 2: Convert to fraction form
    704,158.30/971,736.51 = 381,867.40/x
  3. Step 3: Cross multiply
    704,158.30x = 971,736.51 × 381,867.40
  4. Step 4: Simplify right side
    704,158.30x = 371,074,494,558.77
  5. Step 5: Solve for x
    x = 371,074,494,558.77/704,158.30
  6. Step 6: Final answer
    x = 526,975.96

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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.