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Finding the Fourth Proportional to 427,927.81, 590,549.63 and 234,343.69

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Solution

The fourth proportional to 427,927.81, 590,549.63 and 234,343.69 is: 323,399.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,927.81 : 590,549.63 = 234,343.69 : x
  2. Step 2: Convert to fraction form
    427,927.81/590,549.63 = 234,343.69/x
  3. Step 3: Cross multiply
    427,927.81x = 590,549.63 × 234,343.69
  4. Step 4: Simplify right side
    427,927.81x = 138,391,578,250.62
  5. Step 5: Solve for x
    x = 138,391,578,250.62/427,927.81
  6. Step 6: Final answer
    x = 323,399.36

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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.