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Finding the Fourth Proportional to 438,526.76, 605,166.96 and 237,322.76

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Solution

The fourth proportional to 438,526.76, 605,166.96 and 237,322.76 is: 327,505.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,526.76 : 605,166.96 = 237,322.76 : x
  2. Step 2: Convert to fraction form
    438,526.76/605,166.96 = 237,322.76/x
  3. Step 3: Cross multiply
    438,526.76x = 605,166.96 × 237,322.76
  4. Step 4: Simplify right side
    438,526.76x = 143,619,893,208.01
  5. Step 5: Solve for x
    x = 143,619,893,208.01/438,526.76
  6. Step 6: Final answer
    x = 327,505.43

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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.