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Finding the Fourth Proportional to 238,688.40, 357,514.20 and 192,032.40

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Solution

The fourth proportional to 238,688.40, 357,514.20 and 192,032.40 is: 287,631.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,688.40 : 357,514.20 = 192,032.40 : x
  2. Step 2: Convert to fraction form
    238,688.40/357,514.20 = 192,032.40/x
  3. Step 3: Cross multiply
    238,688.40x = 357,514.20 × 192,032.40
  4. Step 4: Simplify right side
    238,688.40x = 68,654,309,860.08
  5. Step 5: Solve for x
    x = 68,654,309,860.08/238,688.40
  6. Step 6: Final answer
    x = 287,631.53

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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.