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Finding the Fourth Proportional to 593,107.20, 889,660.80 and 273,258.45

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Solution

The fourth proportional to 593,107.20, 889,660.80 and 273,258.45 is: 409,887.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,107.20 : 889,660.80 = 273,258.45 : x
  2. Step 2: Convert to fraction form
    593,107.20/889,660.80 = 273,258.45/x
  3. Step 3: Cross multiply
    593,107.20x = 889,660.80 × 273,258.45
  4. Step 4: Simplify right side
    593,107.20x = 243,107,331,233.76
  5. Step 5: Solve for x
    x = 243,107,331,233.76/593,107.20
  6. Step 6: Final answer
    x = 409,887.68

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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.