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Finding the Fourth Proportional to 344,959.04, 517,440.84 and 120,318.64

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Solution

The fourth proportional to 344,959.04, 517,440.84 and 120,318.64 is: 180,478.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,959.04 : 517,440.84 = 120,318.64 : x
  2. Step 2: Convert to fraction form
    344,959.04/517,440.84 = 120,318.64/x
  3. Step 3: Cross multiply
    344,959.04x = 517,440.84 × 120,318.64
  4. Step 4: Simplify right side
    344,959.04x = 62,257,778,149.26
  5. Step 5: Solve for x
    x = 62,257,778,149.26/344,959.04
  6. Step 6: Final answer
    x = 180,478.76

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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.