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Finding the Fourth Proportional to 296,883.72, 445,326.48 and 72,244.19

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Solution

The fourth proportional to 296,883.72, 445,326.48 and 72,244.19 is: 108,366.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,883.72 : 445,326.48 = 72,244.19 : x
  2. Step 2: Convert to fraction form
    296,883.72/445,326.48 = 72,244.19/x
  3. Step 3: Cross multiply
    296,883.72x = 445,326.48 × 72,244.19
  4. Step 4: Simplify right side
    296,883.72x = 32,172,248,606.52
  5. Step 5: Solve for x
    x = 32,172,248,606.52/296,883.72
  6. Step 6: Final answer
    x = 108,366.50

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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.