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Finding the Fourth Proportional to 538,800.06, 808,200.09 and 239,210.22

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Solution

The fourth proportional to 538,800.06, 808,200.09 and 239,210.22 is: 358,815.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,800.06 : 808,200.09 = 239,210.22 : x
  2. Step 2: Convert to fraction form
    538,800.06/808,200.09 = 239,210.22/x
  3. Step 3: Cross multiply
    538,800.06x = 808,200.09 × 239,210.22
  4. Step 4: Simplify right side
    538,800.06x = 193,329,721,332.92
  5. Step 5: Solve for x
    x = 193,329,721,332.92/538,800.06
  6. Step 6: Final answer
    x = 358,815.33

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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.