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Finding the Fourth Proportional to 293,760.50, 405,391.92 and 159,624.50

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Solution

The fourth proportional to 293,760.50, 405,391.92 and 159,624.50 is: 220,283.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,760.50 : 405,391.92 = 159,624.50 : x
  2. Step 2: Convert to fraction form
    293,760.50/405,391.92 = 159,624.50/x
  3. Step 3: Cross multiply
    293,760.50x = 405,391.92 × 159,624.50
  4. Step 4: Simplify right side
    293,760.50x = 64,710,482,534.04
  5. Step 5: Solve for x
    x = 64,710,482,534.04/293,760.50
  6. Step 6: Final answer
    x = 220,283.13

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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.