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Finding the Fourth Proportional to 427,805.47, 590,371.73 and 234,225.73

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Solution

The fourth proportional to 427,805.47, 590,371.73 and 234,225.73 is: 323,231.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,805.47 : 590,371.73 = 234,225.73 : x
  2. Step 2: Convert to fraction form
    427,805.47/590,371.73 = 234,225.73/x
  3. Step 3: Cross multiply
    427,805.47x = 590,371.73 × 234,225.73
  4. Step 4: Simplify right side
    427,805.47x = 138,280,248,259.48
  5. Step 5: Solve for x
    x = 138,280,248,259.48/427,805.47
  6. Step 6: Final answer
    x = 323,231.60

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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.