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Finding the Fourth Proportional to 472,885.08, 709,434.54 and 157,354.44

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Solution

The fourth proportional to 472,885.08, 709,434.54 and 157,354.44 is: 236,067.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,885.08 : 709,434.54 = 157,354.44 : x
  2. Step 2: Convert to fraction form
    472,885.08/709,434.54 = 157,354.44/x
  3. Step 3: Cross multiply
    472,885.08x = 709,434.54 × 157,354.44
  4. Step 4: Simplify right side
    472,885.08x = 111,632,674,758.36
  5. Step 5: Solve for x
    x = 111,632,674,758.36/472,885.08
  6. Step 6: Final answer
    x = 236,067.24

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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.