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Finding the Fourth Proportional to 288,567.90, 432,851.85 and 182,279.70

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Solution

The fourth proportional to 288,567.90, 432,851.85 and 182,279.70 is: 273,419.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,567.90 : 432,851.85 = 182,279.70 : x
  2. Step 2: Convert to fraction form
    288,567.90/432,851.85 = 182,279.70/x
  3. Step 3: Cross multiply
    288,567.90x = 432,851.85 × 182,279.70
  4. Step 4: Simplify right side
    288,567.90x = 78,900,105,362.45
  5. Step 5: Solve for x
    x = 78,900,105,362.45/288,567.90
  6. Step 6: Final answer
    x = 273,419.55

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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.