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Finding the Fourth Proportional to 347,047.52, 520,571.28 and 110,390.24

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Solution

The fourth proportional to 347,047.52, 520,571.28 and 110,390.24 is: 165,585.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,047.52 : 520,571.28 = 110,390.24 : x
  2. Step 2: Convert to fraction form
    347,047.52/520,571.28 = 110,390.24/x
  3. Step 3: Cross multiply
    347,047.52x = 520,571.28 × 110,390.24
  4. Step 4: Simplify right side
    347,047.52x = 57,465,988,536.31
  5. Step 5: Solve for x
    x = 57,465,988,536.31/347,047.52
  6. Step 6: Final answer
    x = 165,585.36

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1.5x scale

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.