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Finding the Fourth Proportional to 541,746.40, 810,776.40 and 475,391.20

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Solution

The fourth proportional to 541,746.40, 810,776.40 and 475,391.20 is: 711,469.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,746.40 : 810,776.40 = 475,391.20 : x
  2. Step 2: Convert to fraction form
    541,746.40/810,776.40 = 475,391.20/x
  3. Step 3: Cross multiply
    541,746.40x = 810,776.40 × 475,391.20
  4. Step 4: Simplify right side
    541,746.40x = 385,435,965,727.68
  5. Step 5: Solve for x
    x = 385,435,965,727.68/541,746.40
  6. Step 6: Final answer
    x = 711,469.36

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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.