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Finding the Fourth Proportional to 520,606.22, 781,094.28 and 232,391.74

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Solution

The fourth proportional to 520,606.22, 781,094.28 and 232,391.74 is: 348,670.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,606.22 : 781,094.28 = 232,391.74 : x
  2. Step 2: Convert to fraction form
    520,606.22/781,094.28 = 232,391.74/x
  3. Step 3: Cross multiply
    520,606.22x = 781,094.28 × 232,391.74
  4. Step 4: Simplify right side
    520,606.22x = 181,519,858,833.25
  5. Step 5: Solve for x
    x = 181,519,858,833.25/520,606.22
  6. Step 6: Final answer
    x = 348,670.17

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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.