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Finding the Fourth Proportional to 538,817.06, 808,225.60 and 239,227.22

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Solution

The fourth proportional to 538,817.06, 808,225.60 and 239,227.22 is: 358,840.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,817.06 : 808,225.60 = 239,227.22 : x
  2. Step 2: Convert to fraction form
    538,817.06/808,225.60 = 239,227.22/x
  3. Step 3: Cross multiply
    538,817.06x = 808,225.60 × 239,227.22
  4. Step 4: Simplify right side
    538,817.06x = 193,349,563,420.83
  5. Step 5: Solve for x
    x = 193,349,563,420.83/538,817.06
  6. Step 6: Final answer
    x = 358,840.83

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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.