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Finding the Fourth Proportional to 373,939.29, 516,073.59 and 223,036.29

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Solution

The fourth proportional to 373,939.29, 516,073.59 and 223,036.29 is: 307,812.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,939.29 : 516,073.59 = 223,036.29 : x
  2. Step 2: Convert to fraction form
    373,939.29/516,073.59 = 223,036.29/x
  3. Step 3: Cross multiply
    373,939.29x = 516,073.59 × 223,036.29
  4. Step 4: Simplify right side
    373,939.29x = 115,103,138,880.58
  5. Step 5: Solve for x
    x = 115,103,138,880.58/373,939.29
  6. Step 6: Final answer
    x = 307,812.37

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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.