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Finding the Fourth Proportional to 505,773.74, 753,294.08 and 503,329.31

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Solution

The fourth proportional to 505,773.74, 753,294.08 and 503,329.31 is: 749,653.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,773.74 : 753,294.08 = 503,329.31 : x
  2. Step 2: Convert to fraction form
    505,773.74/753,294.08 = 503,329.31/x
  3. Step 3: Cross multiply
    505,773.74x = 753,294.08 × 503,329.31
  4. Step 4: Simplify right side
    505,773.74x = 379,154,987,005.34
  5. Step 5: Solve for x
    x = 379,154,987,005.34/505,773.74
  6. Step 6: Final answer
    x = 749,653.37

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.