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Finding the Fourth Proportional to 348,006.80, 522,058.80 and 148,325.60

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Solution

The fourth proportional to 348,006.80, 522,058.80 and 148,325.60 is: 222,509.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,006.80 : 522,058.80 = 148,325.60 : x
  2. Step 2: Convert to fraction form
    348,006.80/522,058.80 = 148,325.60/x
  3. Step 3: Cross multiply
    348,006.80x = 522,058.80 × 148,325.60
  4. Step 4: Simplify right side
    348,006.80x = 77,434,684,745.28
  5. Step 5: Solve for x
    x = 77,434,684,745.28/348,006.80
  6. Step 6: Final answer
    x = 222,509.11

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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.