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Finding the Fourth Proportional to 473,494.51, 653,228.97 and 349,612.39

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Solution

The fourth proportional to 473,494.51, 653,228.97 and 349,612.39 is: 482,322.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,494.51 : 653,228.97 = 349,612.39 : x
  2. Step 2: Convert to fraction form
    473,494.51/653,228.97 = 349,612.39/x
  3. Step 3: Cross multiply
    473,494.51x = 653,228.97 × 349,612.39
  4. Step 4: Simplify right side
    473,494.51x = 228,376,936,404.73
  5. Step 5: Solve for x
    x = 228,376,936,404.73/473,494.51
  6. Step 6: Final answer
    x = 482,322.25

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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.