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Finding the Fourth Proportional to 436,437.48, 602,213.31 and 245,439.48

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Solution

The fourth proportional to 436,437.48, 602,213.31 and 245,439.48 is: 338,666.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,437.48 : 602,213.31 = 245,439.48 : x
  2. Step 2: Convert to fraction form
    436,437.48/602,213.31 = 245,439.48/x
  3. Step 3: Cross multiply
    436,437.48x = 602,213.31 × 245,439.48
  4. Step 4: Simplify right side
    436,437.48x = 147,806,921,655.48
  5. Step 5: Solve for x
    x = 147,806,921,655.48/436,437.48
  6. Step 6: Final answer
    x = 338,666.88

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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.