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Finding the Fourth Proportional to 387,169.34, 534,418.98 and 250,962.98

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Solution

The fourth proportional to 387,169.34, 534,418.98 and 250,962.98 is: 346,410.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,169.34 : 534,418.98 = 250,962.98 : x
  2. Step 2: Convert to fraction form
    387,169.34/534,418.98 = 250,962.98/x
  3. Step 3: Cross multiply
    387,169.34x = 534,418.98 × 250,962.98
  4. Step 4: Simplify right side
    387,169.34x = 134,119,379,789.36
  5. Step 5: Solve for x
    x = 134,119,379,789.36/387,169.34
  6. Step 6: Final answer
    x = 346,410.13

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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.