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Finding the Fourth Proportional to 522,003.78, 783,005.66 and 148,026.78

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Solution

The fourth proportional to 522,003.78, 783,005.66 and 148,026.78 is: 222,040.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,003.78 : 783,005.66 = 148,026.78 : x
  2. Step 2: Convert to fraction form
    522,003.78/783,005.66 = 148,026.78/x
  3. Step 3: Cross multiply
    522,003.78x = 783,005.66 × 148,026.78
  4. Step 4: Simplify right side
    522,003.78x = 115,905,803,026.61
  5. Step 5: Solve for x
    x = 115,905,803,026.61/522,003.78
  6. Step 6: Final answer
    x = 222,040.16

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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.