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Finding the Fourth Proportional to 440,010.70, 607,215.01 and 238,806.70

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Solution

The fourth proportional to 440,010.70, 607,215.01 and 238,806.70 is: 329,553.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,010.70 : 607,215.01 = 238,806.70 : x
  2. Step 2: Convert to fraction form
    440,010.70/607,215.01 = 238,806.70/x
  3. Step 3: Cross multiply
    440,010.70x = 607,215.01 × 238,806.70
  4. Step 4: Simplify right side
    440,010.70x = 145,007,012,728.57
  5. Step 5: Solve for x
    x = 145,007,012,728.57/440,010.70
  6. Step 6: Final answer
    x = 329,553.38

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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.