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Finding the Fourth Proportional to 356,244, 534,599.28 and 134,628

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Solution

The fourth proportional to 356,244, 534,599.28 and 134,628 is: 202,030.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,244 : 534,599.28 = 134,628 : x
  2. Step 2: Convert to fraction form
    356,244/534,599.28 = 134,628/x
  3. Step 3: Cross multiply
    356,244x = 534,599.28 × 134,628
  4. Step 4: Simplify right side
    356,244x = 71,972,031,867.84
  5. Step 5: Solve for x
    x = 71,972,031,867.84/356,244
  6. Step 6: Final answer
    x = 202,030.16

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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.