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Finding the Fourth Proportional to 593,997.60, 890,218.80 and 238,720.80

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Solution

The fourth proportional to 593,997.60, 890,218.80 and 238,720.80 is: 357,768.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,997.60 : 890,218.80 = 238,720.80 : x
  2. Step 2: Convert to fraction form
    593,997.60/890,218.80 = 238,720.80/x
  3. Step 3: Cross multiply
    593,997.60x = 890,218.80 × 238,720.80
  4. Step 4: Simplify right side
    593,997.60x = 212,513,744,111.04
  5. Step 5: Solve for x
    x = 212,513,744,111.04/593,997.60
  6. Step 6: Final answer
    x = 357,768.69

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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.