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Finding the Fourth Proportional to 474,254.72, 654,492.48 and 273,115.52

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Solution

The fourth proportional to 474,254.72, 654,492.48 and 273,115.52 is: 376,911.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,254.72 : 654,492.48 = 273,115.52 : x
  2. Step 2: Convert to fraction form
    474,254.72/654,492.48 = 273,115.52/x
  3. Step 3: Cross multiply
    474,254.72x = 654,492.48 × 273,115.52
  4. Step 4: Simplify right side
    474,254.72x = 178,752,054,011.29
  5. Step 5: Solve for x
    x = 178,752,054,011.29/474,254.72
  6. Step 6: Final answer
    x = 376,911.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.