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Finding the Fourth Proportional to 294,234.50, 441,522 and 123,440.91

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Solution

The fourth proportional to 294,234.50, 441,522 and 123,440.91 is: 185,232.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,234.50 : 441,522 = 123,440.91 : x
  2. Step 2: Convert to fraction form
    294,234.50/441,522 = 123,440.91/x
  3. Step 3: Cross multiply
    294,234.50x = 441,522 × 123,440.91
  4. Step 4: Simplify right side
    294,234.50x = 54,501,877,465.02
  5. Step 5: Solve for x
    x = 54,501,877,465.02/294,234.50
  6. Step 6: Final answer
    x = 185,232.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.