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Finding the Fourth Proportional to 345,816.41, 477,225.71 and 192,854.77

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Solution

The fourth proportional to 345,816.41, 477,225.71 and 192,854.77 is: 266,139.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,816.41 : 477,225.71 = 192,854.77 : x
  2. Step 2: Convert to fraction form
    345,816.41/477,225.71 = 192,854.77/x
  3. Step 3: Cross multiply
    345,816.41x = 477,225.71 × 192,854.77
  4. Step 4: Simplify right side
    345,816.41x = 92,035,251,189.73
  5. Step 5: Solve for x
    x = 92,035,251,189.73/345,816.41
  6. Step 6: Final answer
    x = 266,139.05

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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.