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Finding the Fourth Proportional to 376,768.42, 562,713.88 and 341,158.57

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Solution

The fourth proportional to 376,768.42, 562,713.88 and 341,158.57 is: 509,529.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,768.42 : 562,713.88 = 341,158.57 : x
  2. Step 2: Convert to fraction form
    376,768.42/562,713.88 = 341,158.57/x
  3. Step 3: Cross multiply
    376,768.42x = 562,713.88 × 341,158.57
  4. Step 4: Simplify right side
    376,768.42x = 191,974,662,619.95
  5. Step 5: Solve for x
    x = 191,974,662,619.95/376,768.42
  6. Step 6: Final answer
    x = 509,529.60

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.