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Finding the Fourth Proportional to 334,354.50, 501,612.78 and 192,290.70

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Solution

The fourth proportional to 334,354.50, 501,612.78 and 192,290.70 is: 288,482.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,354.50 : 501,612.78 = 192,290.70 : x
  2. Step 2: Convert to fraction form
    334,354.50/501,612.78 = 192,290.70/x
  3. Step 3: Cross multiply
    334,354.50x = 501,612.78 × 192,290.70
  4. Step 4: Simplify right side
    334,354.50x = 96,455,472,595.15
  5. Step 5: Solve for x
    x = 96,455,472,595.15/334,354.50
  6. Step 6: Final answer
    x = 288,482.65

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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.