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Finding the Fourth Proportional to 219,148.32, 328,722.48 and 52,936.32

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Solution

The fourth proportional to 219,148.32, 328,722.48 and 52,936.32 is: 79,404.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,148.32 : 328,722.48 = 52,936.32 : x
  2. Step 2: Convert to fraction form
    219,148.32/328,722.48 = 52,936.32/x
  3. Step 3: Cross multiply
    219,148.32x = 328,722.48 × 52,936.32
  4. Step 4: Simplify right side
    219,148.32x = 17,401,358,392.47
  5. Step 5: Solve for x
    x = 17,401,358,392.47/219,148.32
  6. Step 6: Final answer
    x = 79,404.48

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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.