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Finding the Fourth Proportional to 427,920.60, 590,385.06 and 246,626.76

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Solution

The fourth proportional to 427,920.60, 590,385.06 and 246,626.76 is: 340,261.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,920.60 : 590,385.06 = 246,626.76 : x
  2. Step 2: Convert to fraction form
    427,920.60/590,385.06 = 246,626.76/x
  3. Step 3: Cross multiply
    427,920.60x = 590,385.06 × 246,626.76
  4. Step 4: Simplify right side
    427,920.60x = 145,604,754,500.21
  5. Step 5: Solve for x
    x = 145,604,754,500.21/427,920.60
  6. Step 6: Final answer
    x = 340,261.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.