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Finding the Fourth Proportional to 501,870.40, 751,230.95 and 264,493.42

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Solution

The fourth proportional to 501,870.40, 751,230.95 and 264,493.42 is: 395,910.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,870.40 : 751,230.95 = 264,493.42 : x
  2. Step 2: Convert to fraction form
    501,870.40/751,230.95 = 264,493.42/x
  3. Step 3: Cross multiply
    501,870.40x = 751,230.95 × 264,493.42
  4. Step 4: Simplify right side
    501,870.40x = 198,695,639,419.19
  5. Step 5: Solve for x
    x = 198,695,639,419.19/501,870.40
  6. Step 6: Final answer
    x = 395,910.26

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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.