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Finding the Fourth Proportional to 519,223.32, 716,593.88 and 301,385.42

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Solution

The fourth proportional to 519,223.32, 716,593.88 and 301,385.42 is: 415,950.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,223.32 : 716,593.88 = 301,385.42 : x
  2. Step 2: Convert to fraction form
    519,223.32/716,593.88 = 301,385.42/x
  3. Step 3: Cross multiply
    519,223.32x = 716,593.88 × 301,385.42
  4. Step 4: Simplify right side
    519,223.32x = 215,970,947,493.23
  5. Step 5: Solve for x
    x = 215,970,947,493.23/519,223.32
  6. Step 6: Final answer
    x = 415,950.01

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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.