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Finding the Fourth Proportional to 359,412.15, 496,148.19 and 232,149.81

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Solution

The fourth proportional to 359,412.15, 496,148.19 and 232,149.81 is: 320,469.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,412.15 : 496,148.19 = 232,149.81 : x
  2. Step 2: Convert to fraction form
    359,412.15/496,148.19 = 232,149.81/x
  3. Step 3: Cross multiply
    359,412.15x = 496,148.19 × 232,149.81
  4. Step 4: Simplify right side
    359,412.15x = 115,180,708,040.34
  5. Step 5: Solve for x
    x = 115,180,708,040.34/359,412.15
  6. Step 6: Final answer
    x = 320,469.71

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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.