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Finding the Fourth Proportional to 356,261.60, 534,392.40 and 169,637.60

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Solution

The fourth proportional to 356,261.60, 534,392.40 and 169,637.60 is: 254,456.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,261.60 : 534,392.40 = 169,637.60 : x
  2. Step 2: Convert to fraction form
    356,261.60/534,392.40 = 169,637.60/x
  3. Step 3: Cross multiply
    356,261.60x = 534,392.40 × 169,637.60
  4. Step 4: Simplify right side
    356,261.60x = 90,653,044,194.24
  5. Step 5: Solve for x
    x = 90,653,044,194.24/356,261.60
  6. Step 6: Final answer
    x = 254,456.40

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1.5x scale

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.