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Finding the Fourth Proportional to 357,760.62, 493,189.56 and 249,996.06

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Solution

The fourth proportional to 357,760.62, 493,189.56 and 249,996.06 is: 344,631.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,760.62 : 493,189.56 = 249,996.06 : x
  2. Step 2: Convert to fraction form
    357,760.62/493,189.56 = 249,996.06/x
  3. Step 3: Cross multiply
    357,760.62x = 493,189.56 × 249,996.06
  4. Step 4: Simplify right side
    357,760.62x = 123,295,446,833.13
  5. Step 5: Solve for x
    x = 123,295,446,833.13/357,760.62
  6. Step 6: Final answer
    x = 344,631.13

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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.