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Finding the Fourth Proportional to 574,189.63, 861,284.43 and 237,239.01

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Solution

The fourth proportional to 574,189.63, 861,284.43 and 237,239.01 is: 355,858.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,189.63 : 861,284.43 = 237,239.01 : x
  2. Step 2: Convert to fraction form
    574,189.63/861,284.43 = 237,239.01/x
  3. Step 3: Cross multiply
    574,189.63x = 861,284.43 × 237,239.01
  4. Step 4: Simplify right side
    574,189.63x = 204,330,265,501.61
  5. Step 5: Solve for x
    x = 204,330,265,501.61/574,189.63
  6. Step 6: Final answer
    x = 355,858.51

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.