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Finding the Fourth Proportional to 348,291.66, 480,695.03 and 212,404.44

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Solution

The fourth proportional to 348,291.66, 480,695.03 and 212,404.44 is: 293,150.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,291.66 : 480,695.03 = 212,404.44 : x
  2. Step 2: Convert to fraction form
    348,291.66/480,695.03 = 212,404.44/x
  3. Step 3: Cross multiply
    348,291.66x = 480,695.03 × 212,404.44
  4. Step 4: Simplify right side
    348,291.66x = 102,101,756,988.08
  5. Step 5: Solve for x
    x = 102,101,756,988.08/348,291.66
  6. Step 6: Final answer
    x = 293,150.16

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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.