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Finding the Fourth Proportional to 371,266.68, 512,335.02 and 201,497.40

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Solution

The fourth proportional to 371,266.68, 512,335.02 and 201,497.40 is: 278,059.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,266.68 : 512,335.02 = 201,497.40 : x
  2. Step 2: Convert to fraction form
    371,266.68/512,335.02 = 201,497.40/x
  3. Step 3: Cross multiply
    371,266.68x = 512,335.02 × 201,497.40
  4. Step 4: Simplify right side
    371,266.68x = 103,234,174,458.95
  5. Step 5: Solve for x
    x = 103,234,174,458.95/371,266.68
  6. Step 6: Final answer
    x = 278,059.36

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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.