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Finding the Fourth Proportional to 438,235.50, 604,766.07 and 237,031.50

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Solution

The fourth proportional to 438,235.50, 604,766.07 and 237,031.50 is: 327,104.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,235.50 : 604,766.07 = 237,031.50 : x
  2. Step 2: Convert to fraction form
    438,235.50/604,766.07 = 237,031.50/x
  3. Step 3: Cross multiply
    438,235.50x = 604,766.07 × 237,031.50
  4. Step 4: Simplify right side
    438,235.50x = 143,348,608,721.21
  5. Step 5: Solve for x
    x = 143,348,608,721.21/438,235.50
  6. Step 6: Final answer
    x = 327,104.05

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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.