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Finding the Fourth Proportional to 315,074.73, 472,673.61 and 101,895.60

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Solution

The fourth proportional to 315,074.73, 472,673.61 and 101,895.60 is: 152,863.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,074.73 : 472,673.61 = 101,895.60 : x
  2. Step 2: Convert to fraction form
    315,074.73/472,673.61 = 101,895.60/x
  3. Step 3: Cross multiply
    315,074.73x = 472,673.61 × 101,895.60
  4. Step 4: Simplify right side
    315,074.73x = 48,163,361,095.12
  5. Step 5: Solve for x
    x = 48,163,361,095.12/315,074.73
  6. Step 6: Final answer
    x = 152,863.29

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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.