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Finding the Fourth Proportional to 299,320.17, 412,957.60 and 191,949.40

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Solution

The fourth proportional to 299,320.17, 412,957.60 and 191,949.40 is: 264,823.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,320.17 : 412,957.60 = 191,949.40 : x
  2. Step 2: Convert to fraction form
    299,320.17/412,957.60 = 191,949.40/x
  3. Step 3: Cross multiply
    299,320.17x = 412,957.60 × 191,949.40
  4. Step 4: Simplify right side
    299,320.17x = 79,266,963,545.44
  5. Step 5: Solve for x
    x = 79,266,963,545.44/299,320.17
  6. Step 6: Final answer
    x = 264,823.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.