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Finding the Fourth Proportional to 361,652.48, 542,416.80 and 95,415.76

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Solution

The fourth proportional to 361,652.48, 542,416.80 and 95,415.76 is: 143,107.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,652.48 : 542,416.80 = 95,415.76 : x
  2. Step 2: Convert to fraction form
    361,652.48/542,416.80 = 95,415.76/x
  3. Step 3: Cross multiply
    361,652.48x = 542,416.80 × 95,415.76
  4. Step 4: Simplify right side
    361,652.48x = 51,755,111,208.77
  5. Step 5: Solve for x
    x = 51,755,111,208.77/361,652.48
  6. Step 6: Final answer
    x = 143,107.30

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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.