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Finding the Fourth Proportional to 438,526.49, 605,166.55 and 237,322.49

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Solution

The fourth proportional to 438,526.49, 605,166.55 and 237,322.49 is: 327,505.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,526.49 : 605,166.55 = 237,322.49 : x
  2. Step 2: Convert to fraction form
    438,526.49/605,166.55 = 237,322.49/x
  3. Step 3: Cross multiply
    438,526.49x = 605,166.55 × 237,322.49
  4. Step 4: Simplify right side
    438,526.49x = 143,619,628,891.57
  5. Step 5: Solve for x
    x = 143,619,628,891.57/438,526.49
  6. Step 6: Final answer
    x = 327,505.03

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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.