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Finding the Fourth Proportional to 438,567.36, 605,222.78 and 237,363.36

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Solution

The fourth proportional to 438,567.36, 605,222.78 and 237,363.36 is: 327,561.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,567.36 : 605,222.78 = 237,363.36 : x
  2. Step 2: Convert to fraction form
    438,567.36/605,222.78 = 237,363.36/x
  3. Step 3: Cross multiply
    438,567.36x = 605,222.78 × 237,363.36
  4. Step 4: Simplify right side
    438,567.36x = 143,657,712,609.34
  5. Step 5: Solve for x
    x = 143,657,712,609.34/438,567.36
  6. Step 6: Final answer
    x = 327,561.34

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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.