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Finding the Fourth Proportional to 542,267.72, 813,515.37 and 163,216.19

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Solution

The fourth proportional to 542,267.72, 813,515.37 and 163,216.19 is: 244,858.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,267.72 : 813,515.37 = 163,216.19 : x
  2. Step 2: Convert to fraction form
    542,267.72/813,515.37 = 163,216.19/x
  3. Step 3: Cross multiply
    542,267.72x = 813,515.37 × 163,216.19
  4. Step 4: Simplify right side
    542,267.72x = 132,778,875,130.26
  5. Step 5: Solve for x
    x = 132,778,875,130.26/542,267.72
  6. Step 6: Final answer
    x = 244,858.53

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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.