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Finding the Fourth Proportional to 424,169.40, 585,364.95 and 233,187.60

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Solution

The fourth proportional to 424,169.40, 585,364.95 and 233,187.60 is: 321,805.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,169.40 : 585,364.95 = 233,187.60 : x
  2. Step 2: Convert to fraction form
    424,169.40/585,364.95 = 233,187.60/x
  3. Step 3: Cross multiply
    424,169.40x = 585,364.95 × 233,187.60
  4. Step 4: Simplify right side
    424,169.40x = 136,499,847,814.62
  5. Step 5: Solve for x
    x = 136,499,847,814.62/424,169.40
  6. Step 6: Final answer
    x = 321,805.03

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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.