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Finding the Fourth Proportional to 347,710.08, 521,521.56 and 111,033.12

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Solution

The fourth proportional to 347,710.08, 521,521.56 and 111,033.12 is: 166,535.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,710.08 : 521,521.56 = 111,033.12 : x
  2. Step 2: Convert to fraction form
    347,710.08/521,521.56 = 111,033.12/x
  3. Step 3: Cross multiply
    347,710.08x = 521,521.56 × 111,033.12
  4. Step 4: Simplify right side
    347,710.08x = 57,906,165,954.07
  5. Step 5: Solve for x
    x = 57,906,165,954.07/347,710.08
  6. Step 6: Final answer
    x = 166,535.77

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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.