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Finding the Fourth Proportional to 371,302.14, 512,389.08 and 201,536.27

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Solution

The fourth proportional to 371,302.14, 512,389.08 and 201,536.27 is: 278,115.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,302.14 : 512,389.08 = 201,536.27 : x
  2. Step 2: Convert to fraction form
    371,302.14/512,389.08 = 201,536.27/x
  3. Step 3: Cross multiply
    371,302.14x = 512,389.08 × 201,536.27
  4. Step 4: Simplify right side
    371,302.14x = 103,264,981,409.99
  5. Step 5: Solve for x
    x = 103,264,981,409.99/371,302.14
  6. Step 6: Final answer
    x = 278,115.77

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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.