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Finding the Fourth Proportional to 440,016.75, 607,223.13 and 238,812.75

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Solution

The fourth proportional to 440,016.75, 607,223.13 and 238,812.75 is: 329,561.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,016.75 : 607,223.13 = 238,812.75 : x
  2. Step 2: Convert to fraction form
    440,016.75/607,223.13 = 238,812.75/x
  3. Step 3: Cross multiply
    440,016.75x = 607,223.13 × 238,812.75
  4. Step 4: Simplify right side
    440,016.75x = 145,012,625,538.91
  5. Step 5: Solve for x
    x = 145,012,625,538.91/440,016.75
  6. Step 6: Final answer
    x = 329,561.60

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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.