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Finding the Fourth Proportional to 627,934.48, 941,934.30 and 207,243.16

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Solution

The fourth proportional to 627,934.48, 941,934.30 and 207,243.16 is: 310,875.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,934.48 : 941,934.30 = 207,243.16 : x
  2. Step 2: Convert to fraction form
    627,934.48/941,934.30 = 207,243.16/x
  3. Step 3: Cross multiply
    627,934.48x = 941,934.30 × 207,243.16
  4. Step 4: Simplify right side
    627,934.48x = 195,209,440,844.39
  5. Step 5: Solve for x
    x = 195,209,440,844.39/627,934.48
  6. Step 6: Final answer
    x = 310,875.49

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Double scale
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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.