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Finding the Fourth Proportional to 551,529.18, 761,192.54 and 336,793.72

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Solution

The fourth proportional to 551,529.18, 761,192.54 and 336,793.72 is: 464,825.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,529.18 : 761,192.54 = 336,793.72 : x
  2. Step 2: Convert to fraction form
    551,529.18/761,192.54 = 336,793.72/x
  3. Step 3: Cross multiply
    551,529.18x = 761,192.54 × 336,793.72
  4. Step 4: Simplify right side
    551,529.18x = 256,364,867,182.85
  5. Step 5: Solve for x
    x = 256,364,867,182.85/551,529.18
  6. Step 6: Final answer
    x = 464,825.57

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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.