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Finding the Fourth Proportional to 507,026.71, 699,697.09 and 277,598.87

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Solution

The fourth proportional to 507,026.71, 699,697.09 and 277,598.87 is: 383,086.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,026.71 : 699,697.09 = 277,598.87 : x
  2. Step 2: Convert to fraction form
    507,026.71/699,697.09 = 277,598.87/x
  3. Step 3: Cross multiply
    507,026.71x = 699,697.09 × 277,598.87
  4. Step 4: Simplify right side
    507,026.71x = 194,235,121,405.07
  5. Step 5: Solve for x
    x = 194,235,121,405.07/507,026.71
  6. Step 6: Final answer
    x = 383,086.56

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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.