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Finding the Fourth Proportional to 472,754.08, 709,137.36 and 157,211.04

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Solution

The fourth proportional to 472,754.08, 709,137.36 and 157,211.04 is: 235,818.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,754.08 : 709,137.36 = 157,211.04 : x
  2. Step 2: Convert to fraction form
    472,754.08/709,137.36 = 157,211.04/x
  3. Step 3: Cross multiply
    472,754.08x = 709,137.36 × 157,211.04
  4. Step 4: Simplify right side
    472,754.08x = 111,484,221,868.45
  5. Step 5: Solve for x
    x = 111,484,221,868.45/472,754.08
  6. Step 6: Final answer
    x = 235,818.64

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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.