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Finding the Fourth Proportional to 347,043.52, 520,565.28 and 110,386.24

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Solution

The fourth proportional to 347,043.52, 520,565.28 and 110,386.24 is: 165,579.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,043.52 : 520,565.28 = 110,386.24 : x
  2. Step 2: Convert to fraction form
    347,043.52/520,565.28 = 110,386.24/x
  3. Step 3: Cross multiply
    347,043.52x = 520,565.28 × 110,386.24
  4. Step 4: Simplify right side
    347,043.52x = 57,463,243,933.75
  5. Step 5: Solve for x
    x = 57,463,243,933.75/347,043.52
  6. Step 6: Final answer
    x = 165,579.36

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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.