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Finding the Fourth Proportional to 341,601.90, 512,451.45 and 104,909.10

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Solution

The fourth proportional to 341,601.90, 512,451.45 and 104,909.10 is: 157,378.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,601.90 : 512,451.45 = 104,909.10 : x
  2. Step 2: Convert to fraction form
    341,601.90/512,451.45 = 104,909.10/x
  3. Step 3: Cross multiply
    341,601.90x = 512,451.45 × 104,909.10
  4. Step 4: Simplify right side
    341,601.90x = 53,760,820,413.20
  5. Step 5: Solve for x
    x = 53,760,820,413.20/341,601.90
  6. Step 6: Final answer
    x = 157,378.58

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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.