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Finding the Fourth Proportional to 438,551.36, 605,200.96 and 237,347.36

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Solution

The fourth proportional to 438,551.36, 605,200.96 and 237,347.36 is: 327,539.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,551.36 : 605,200.96 = 237,347.36 : x
  2. Step 2: Convert to fraction form
    438,551.36/605,200.96 = 237,347.36/x
  3. Step 3: Cross multiply
    438,551.36x = 605,200.96 × 237,347.36
  4. Step 4: Simplify right side
    438,551.36x = 143,642,850,125.47
  5. Step 5: Solve for x
    x = 143,642,850,125.47/438,551.36
  6. Step 6: Final answer
    x = 327,539.40

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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.