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Finding the Fourth Proportional to 438,544.73, 605,191.80 and 237,340.73

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Solution

The fourth proportional to 438,544.73, 605,191.80 and 237,340.73 is: 327,530.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,544.73 : 605,191.80 = 237,340.73 : x
  2. Step 2: Convert to fraction form
    438,544.73/605,191.80 = 237,340.73/x
  3. Step 3: Cross multiply
    438,544.73x = 605,191.80 × 237,340.73
  4. Step 4: Simplify right side
    438,544.73x = 143,636,666,005.02
  5. Step 5: Solve for x
    x = 143,636,666,005.02/438,544.73
  6. Step 6: Final answer
    x = 327,530.25

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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.