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Finding the Fourth Proportional to 349,687.40, 482,310.30 and 240,826.30

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Solution

The fourth proportional to 349,687.40, 482,310.30 and 240,826.30 is: 332,162.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,687.40 : 482,310.30 = 240,826.30 : x
  2. Step 2: Convert to fraction form
    349,687.40/482,310.30 = 240,826.30/x
  3. Step 3: Cross multiply
    349,687.40x = 482,310.30 × 240,826.30
  4. Step 4: Simplify right side
    349,687.40x = 116,153,005,000.89
  5. Step 5: Solve for x
    x = 116,153,005,000.89/349,687.40
  6. Step 6: Final answer
    x = 332,162.40

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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.