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Finding the Fourth Proportional to 297,461.44, 446,355.84 and 128,983.04

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Solution

The fourth proportional to 297,461.44, 446,355.84 and 128,983.04 is: 193,545.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,461.44 : 446,355.84 = 128,983.04 : x
  2. Step 2: Convert to fraction form
    297,461.44/446,355.84 = 128,983.04/x
  3. Step 3: Cross multiply
    297,461.44x = 446,355.84 × 128,983.04
  4. Step 4: Simplify right side
    297,461.44x = 57,572,333,164.95
  5. Step 5: Solve for x
    x = 57,572,333,164.95/297,461.44
  6. Step 6: Final answer
    x = 193,545.53

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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.