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Finding the Fourth Proportional to 507,156.29, 699,884.29 and 277,709.92

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Solution

The fourth proportional to 507,156.29, 699,884.29 and 277,709.92 is: 383,244.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,156.29 : 699,884.29 = 277,709.92 : x
  2. Step 2: Convert to fraction form
    507,156.29/699,884.29 = 277,709.92/x
  3. Step 3: Cross multiply
    507,156.29x = 699,884.29 × 277,709.92
  4. Step 4: Simplify right side
    507,156.29x = 194,364,808,796.61
  5. Step 5: Solve for x
    x = 194,364,808,796.61/507,156.29
  6. Step 6: Final answer
    x = 383,244.40

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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.