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Finding the Fourth Proportional to 438,569.62, 605,225.89 and 237,365.62

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Solution

The fourth proportional to 438,569.62, 605,225.89 and 237,365.62 is: 327,564.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,569.62 : 605,225.89 = 237,365.62 : x
  2. Step 2: Convert to fraction form
    438,569.62/605,225.89 = 237,365.62/x
  3. Step 3: Cross multiply
    438,569.62x = 605,225.89 × 237,365.62
  4. Step 4: Simplify right side
    438,569.62x = 143,659,818,619.90
  5. Step 5: Solve for x
    x = 143,659,818,619.90/438,569.62
  6. Step 6: Final answer
    x = 327,564.46

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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.