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Finding the Fourth Proportional to 288,568.90, 432,853.35 and 182,280.70

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Solution

The fourth proportional to 288,568.90, 432,853.35 and 182,280.70 is: 273,421.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,568.90 : 432,853.35 = 182,280.70 : x
  2. Step 2: Convert to fraction form
    288,568.90/432,853.35 = 182,280.70/x
  3. Step 3: Cross multiply
    288,568.90x = 432,853.35 × 182,280.70
  4. Step 4: Simplify right side
    288,568.90x = 78,900,811,635.35
  5. Step 5: Solve for x
    x = 78,900,811,635.35/288,568.90
  6. Step 6: Final answer
    x = 273,421.05

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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.