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Finding the Fourth Proportional to 296,512.30, 444,826.05 and 128,032.30

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Solution

The fourth proportional to 296,512.30, 444,826.05 and 128,032.30 is: 192,073.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,512.30 : 444,826.05 = 128,032.30 : x
  2. Step 2: Convert to fraction form
    296,512.30/444,826.05 = 128,032.30/x
  3. Step 3: Cross multiply
    296,512.30x = 444,826.05 × 128,032.30
  4. Step 4: Simplify right side
    296,512.30x = 56,952,102,281.42
  5. Step 5: Solve for x
    x = 56,952,102,281.42/296,512.30
  6. Step 6: Final answer
    x = 192,073.32

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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.