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Finding the Fourth Proportional to 593,997.80, 890,996.70 and 369,611.60

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Solution

The fourth proportional to 593,997.80, 890,996.70 and 369,611.60 is: 554,417.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,997.80 : 890,996.70 = 369,611.60 : x
  2. Step 2: Convert to fraction form
    593,997.80/890,996.70 = 369,611.60/x
  3. Step 3: Cross multiply
    593,997.80x = 890,996.70 × 369,611.60
  4. Step 4: Simplify right side
    593,997.80x = 329,322,715,881.72
  5. Step 5: Solve for x
    x = 329,322,715,881.72/593,997.80
  6. Step 6: Final answer
    x = 554,417.40

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Double scale
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Similar ratio
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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.