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Finding the Fourth Proportional to 376,854.29, 520,063.02 and 207,088.41

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Solution

The fourth proportional to 376,854.29, 520,063.02 and 207,088.41 is: 285,784.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,854.29 : 520,063.02 = 207,088.41 : x
  2. Step 2: Convert to fraction form
    376,854.29/520,063.02 = 207,088.41/x
  3. Step 3: Cross multiply
    376,854.29x = 520,063.02 × 207,088.41
  4. Step 4: Simplify right side
    376,854.29x = 107,699,023,911.60
  5. Step 5: Solve for x
    x = 107,699,023,911.60/376,854.29
  6. Step 6: Final answer
    x = 285,784.26

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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.