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Finding the Fourth Proportional to 634,197.12, 875,191.74 and 347,711.10

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Solution

The fourth proportional to 634,197.12, 875,191.74 and 347,711.10 is: 479,841.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,197.12 : 875,191.74 = 347,711.10 : x
  2. Step 2: Convert to fraction form
    634,197.12/875,191.74 = 347,711.10/x
  3. Step 3: Cross multiply
    634,197.12x = 875,191.74 × 347,711.10
  4. Step 4: Simplify right side
    634,197.12x = 304,313,882,626.31
  5. Step 5: Solve for x
    x = 304,313,882,626.31/634,197.12
  6. Step 6: Final answer
    x = 479,841.16

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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.