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Finding the Fourth Proportional to 288,548.10, 432,822.15 and 182,259.90

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Solution

The fourth proportional to 288,548.10, 432,822.15 and 182,259.90 is: 273,389.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,548.10 : 432,822.15 = 182,259.90 : x
  2. Step 2: Convert to fraction form
    288,548.10/432,822.15 = 182,259.90/x
  3. Step 3: Cross multiply
    288,548.10x = 432,822.15 × 182,259.90
  4. Step 4: Simplify right side
    288,548.10x = 78,886,121,776.79
  5. Step 5: Solve for x
    x = 78,886,121,776.79/288,548.10
  6. Step 6: Final answer
    x = 273,389.85

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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.