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Finding the Fourth Proportional to 353,586.46, 487,959.68 and 192,451.95

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Solution

The fourth proportional to 353,586.46, 487,959.68 and 192,451.95 is: 265,589.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,586.46 : 487,959.68 = 192,451.95 : x
  2. Step 2: Convert to fraction form
    353,586.46/487,959.68 = 192,451.95/x
  3. Step 3: Cross multiply
    353,586.46x = 487,959.68 × 192,451.95
  4. Step 4: Simplify right side
    353,586.46x = 93,908,788,535.32
  5. Step 5: Solve for x
    x = 93,908,788,535.32/353,586.46
  6. Step 6: Final answer
    x = 265,589.32

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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.