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Finding the Fourth Proportional to 627,925.90, 940,333.65 and 503,509.90

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Solution

The fourth proportional to 627,925.90, 940,333.65 and 503,509.90 is: 754,017.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,925.90 : 940,333.65 = 503,509.90 : x
  2. Step 2: Convert to fraction form
    627,925.90/940,333.65 = 503,509.90/x
  3. Step 3: Cross multiply
    627,925.90x = 940,333.65 × 503,509.90
  4. Step 4: Simplify right side
    627,925.90x = 473,467,302,078.14
  5. Step 5: Solve for x
    x = 473,467,302,078.14/627,925.90
  6. Step 6: Final answer
    x = 754,017.79

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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.