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Finding the Fourth Proportional to 427,622.48, 590,119.25 and 234,030.08

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Solution

The fourth proportional to 427,622.48, 590,119.25 and 234,030.08 is: 322,961.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,622.48 : 590,119.25 = 234,030.08 : x
  2. Step 2: Convert to fraction form
    427,622.48/590,119.25 = 234,030.08/x
  3. Step 3: Cross multiply
    427,622.48x = 590,119.25 × 234,030.08
  4. Step 4: Simplify right side
    427,622.48x = 138,105,655,134.47
  5. Step 5: Solve for x
    x = 138,105,655,134.47/427,622.48
  6. Step 6: Final answer
    x = 322,961.63

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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.