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Finding the Fourth Proportional to 314,952.18, 472,625.10 and 127,963.68

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Solution

The fourth proportional to 314,952.18, 472,625.10 and 127,963.68 is: 192,025.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,952.18 : 472,625.10 = 127,963.68 : x
  2. Step 2: Convert to fraction form
    314,952.18/472,625.10 = 127,963.68/x
  3. Step 3: Cross multiply
    314,952.18x = 472,625.10 × 127,963.68
  4. Step 4: Simplify right side
    314,952.18x = 60,478,847,056.37
  5. Step 5: Solve for x
    x = 60,478,847,056.37/314,952.18
  6. Step 6: Final answer
    x = 192,025.49

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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.