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Finding the Fourth Proportional to 438,362.88, 604,938.24 and 237,154.56

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Solution

The fourth proportional to 438,362.88, 604,938.24 and 237,154.56 is: 327,271.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,362.88 : 604,938.24 = 237,154.56 : x
  2. Step 2: Convert to fraction form
    438,362.88/604,938.24 = 237,154.56/x
  3. Step 3: Cross multiply
    438,362.88x = 604,938.24 × 237,154.56
  4. Step 4: Simplify right side
    438,362.88x = 143,463,862,134.37
  5. Step 5: Solve for x
    x = 143,463,862,134.37/438,362.88
  6. Step 6: Final answer
    x = 327,271.92

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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.