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Finding the Fourth Proportional to 534,291, 737,321.58 and 307,951.08

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Solution

The fourth proportional to 534,291, 737,321.58 and 307,951.08 is: 424,972.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,291 : 737,321.58 = 307,951.08 : x
  2. Step 2: Convert to fraction form
    534,291/737,321.58 = 307,951.08/x
  3. Step 3: Cross multiply
    534,291x = 737,321.58 × 307,951.08
  4. Step 4: Simplify right side
    534,291x = 227,058,976,868.31
  5. Step 5: Solve for x
    x = 227,058,976,868.31/534,291
  6. Step 6: Final answer
    x = 424,972.49

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1.5x scale

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.