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Finding the Fourth Proportional to 371,447.24, 512,599.24 and 201,681.37

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Solution

The fourth proportional to 371,447.24, 512,599.24 and 201,681.37 is: 278,321.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,447.24 : 512,599.24 = 201,681.37 : x
  2. Step 2: Convert to fraction form
    371,447.24/512,599.24 = 201,681.37/x
  3. Step 3: Cross multiply
    371,447.24x = 512,599.24 × 201,681.37
  4. Step 4: Simplify right side
    371,447.24x = 103,381,716,984.16
  5. Step 5: Solve for x
    x = 103,381,716,984.16/371,447.24
  6. Step 6: Final answer
    x = 278,321.40

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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.