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Finding the Fourth Proportional to 294,088.50, 441,132.75 and 72,472.50

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Solution

The fourth proportional to 294,088.50, 441,132.75 and 72,472.50 is: 108,708.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,088.50 : 441,132.75 = 72,472.50 : x
  2. Step 2: Convert to fraction form
    294,088.50/441,132.75 = 72,472.50/x
  3. Step 3: Cross multiply
    294,088.50x = 441,132.75 × 72,472.50
  4. Step 4: Simplify right side
    294,088.50x = 31,969,993,224.38
  5. Step 5: Solve for x
    x = 31,969,993,224.38/294,088.50
  6. Step 6: Final answer
    x = 108,708.75

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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.