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Finding the Fourth Proportional to 867,601.80, 1,301,402.70 and 548,737.20

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Solution

The fourth proportional to 867,601.80, 1,301,402.70 and 548,737.20 is: 823,105.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,601.80 : 1,301,402.70 = 548,737.20 : x
  2. Step 2: Convert to fraction form
    867,601.80/1,301,402.70 = 548,737.20/x
  3. Step 3: Cross multiply
    867,601.80x = 1,301,402.70 × 548,737.20
  4. Step 4: Simplify right side
    867,601.80x = 714,128,073,670.44
  5. Step 5: Solve for x
    x = 714,128,073,670.44/867,601.80
  6. Step 6: Final answer
    x = 823,105.80

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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.