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Finding the Fourth Proportional to 320,153.40, 480,254.40 and 95,496.24

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Solution

The fourth proportional to 320,153.40, 480,254.40 and 95,496.24 is: 143,251.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,153.40 : 480,254.40 = 95,496.24 : x
  2. Step 2: Convert to fraction form
    320,153.40/480,254.40 = 95,496.24/x
  3. Step 3: Cross multiply
    320,153.40x = 480,254.40 × 95,496.24
  4. Step 4: Simplify right side
    320,153.40x = 45,862,489,443.46
  5. Step 5: Solve for x
    x = 45,862,489,443.46/320,153.40
  6. Step 6: Final answer
    x = 143,251.61

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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.