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Finding the Fourth Proportional to 440,495.28, 607,978.08 and 268,469.28

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Solution

The fourth proportional to 440,495.28, 607,978.08 and 268,469.28 is: 370,545.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,495.28 : 607,978.08 = 268,469.28 : x
  2. Step 2: Convert to fraction form
    440,495.28/607,978.08 = 268,469.28/x
  3. Step 3: Cross multiply
    440,495.28x = 607,978.08 × 268,469.28
  4. Step 4: Simplify right side
    440,495.28x = 163,223,437,393.38
  5. Step 5: Solve for x
    x = 163,223,437,393.38/440,495.28
  6. Step 6: Final answer
    x = 370,545.26

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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.