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Finding the Fourth Proportional to 580,431.03, 868,393.92 and 508,814.98

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Solution

The fourth proportional to 580,431.03, 868,393.92 and 508,814.98 is: 761,247.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,431.03 : 868,393.92 = 508,814.98 : x
  2. Step 2: Convert to fraction form
    580,431.03/868,393.92 = 508,814.98/x
  3. Step 3: Cross multiply
    580,431.03x = 868,393.92 × 508,814.98
  4. Step 4: Simplify right side
    580,431.03x = 441,851,835,036.92
  5. Step 5: Solve for x
    x = 441,851,835,036.92/580,431.03
  6. Step 6: Final answer
    x = 761,247.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.