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Finding the Fourth Proportional to 518,156.75, 777,235.13 and 202,392.23

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Solution

The fourth proportional to 518,156.75, 777,235.13 and 202,392.23 is: 303,588.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,156.75 : 777,235.13 = 202,392.23 : x
  2. Step 2: Convert to fraction form
    518,156.75/777,235.13 = 202,392.23/x
  3. Step 3: Cross multiply
    518,156.75x = 777,235.13 × 202,392.23
  4. Step 4: Simplify right side
    518,156.75x = 157,306,346,296.90
  5. Step 5: Solve for x
    x = 157,306,346,296.90/518,156.75
  6. Step 6: Final answer
    x = 303,588.34

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Double scale
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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.