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Finding the Fourth Proportional to 371,297.38, 512,808.32 and 250,935.83

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Solution

The fourth proportional to 371,297.38, 512,808.32 and 250,935.83 is: 346,573.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,297.38 : 512,808.32 = 250,935.83 : x
  2. Step 2: Convert to fraction form
    371,297.38/512,808.32 = 250,935.83/x
  3. Step 3: Cross multiply
    371,297.38x = 512,808.32 × 250,935.83
  4. Step 4: Simplify right side
    371,297.38x = 128,681,980,155.43
  5. Step 5: Solve for x
    x = 128,681,980,155.43/371,297.38
  6. Step 6: Final answer
    x = 346,573.90

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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.