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Finding the Fourth Proportional to 376,848.98, 520,045.71 and 207,079.46

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Solution

The fourth proportional to 376,848.98, 520,045.71 and 207,079.46 is: 285,766.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,848.98 : 520,045.71 = 207,079.46 : x
  2. Step 2: Convert to fraction form
    376,848.98/520,045.71 = 207,079.46/x
  3. Step 3: Cross multiply
    376,848.98x = 520,045.71 × 207,079.46
  4. Step 4: Simplify right side
    376,848.98x = 107,690,784,802.12
  5. Step 5: Solve for x
    x = 107,690,784,802.12/376,848.98
  6. Step 6: Final answer
    x = 285,766.42

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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.