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Finding the Fourth Proportional to 341,800.94, 512,368.17 and 136,574.43

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Solution

The fourth proportional to 341,800.94, 512,368.17 and 136,574.43 is: 204,728.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,800.94 : 512,368.17 = 136,574.43 : x
  2. Step 2: Convert to fraction form
    341,800.94/512,368.17 = 136,574.43/x
  3. Step 3: Cross multiply
    341,800.94x = 512,368.17 × 136,574.43
  4. Step 4: Simplify right side
    341,800.94x = 69,976,390,767.89
  5. Step 5: Solve for x
    x = 69,976,390,767.89/341,800.94
  6. Step 6: Final answer
    x = 204,728.49

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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.