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Finding the Fourth Proportional to 359,527.31, 496,327.31 and 223,605.07

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Solution

The fourth proportional to 359,527.31, 496,327.31 and 223,605.07 is: 308,686.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,527.31 : 496,327.31 = 223,605.07 : x
  2. Step 2: Convert to fraction form
    359,527.31/496,327.31 = 223,605.07/x
  3. Step 3: Cross multiply
    359,527.31x = 496,327.31 × 223,605.07
  4. Step 4: Simplify right side
    359,527.31x = 110,981,302,387.54
  5. Step 5: Solve for x
    x = 110,981,302,387.54/359,527.31
  6. Step 6: Final answer
    x = 308,686.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.