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Finding the Fourth Proportional to 526,870.37, 726,587.62 and 349,747.52

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Solution

The fourth proportional to 526,870.37, 726,587.62 and 349,747.52 is: 482,323.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,870.37 : 726,587.62 = 349,747.52 : x
  2. Step 2: Convert to fraction form
    526,870.37/726,587.62 = 349,747.52/x
  3. Step 3: Cross multiply
    526,870.37x = 726,587.62 × 349,747.52
  4. Step 4: Simplify right side
    526,870.37x = 254,122,213,650.40
  5. Step 5: Solve for x
    x = 254,122,213,650.40/526,870.37
  6. Step 6: Final answer
    x = 482,323.98

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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.