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Finding the Fourth Proportional to 334,801.12, 502,201.68 and 124,492

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Solution

The fourth proportional to 334,801.12, 502,201.68 and 124,492 is: 186,738

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,801.12 : 502,201.68 = 124,492 : x
  2. Step 2: Convert to fraction form
    334,801.12/502,201.68 = 124,492/x
  3. Step 3: Cross multiply
    334,801.12x = 502,201.68 × 124,492
  4. Step 4: Simplify right side
    334,801.12x = 62,520,091,546.56
  5. Step 5: Solve for x
    x = 62,520,091,546.56/334,801.12
  6. Step 6: Final answer
    x = 186,738

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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.