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Finding the Fourth Proportional to 371,175.68, 512,220.08 and 201,406.16

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Solution

The fourth proportional to 371,175.68, 512,220.08 and 201,406.16 is: 277,939.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,175.68 : 512,220.08 = 201,406.16 : x
  2. Step 2: Convert to fraction form
    371,175.68/512,220.08 = 201,406.16/x
  3. Step 3: Cross multiply
    371,175.68x = 512,220.08 × 201,406.16
  4. Step 4: Simplify right side
    371,175.68x = 103,164,279,387.69
  5. Step 5: Solve for x
    x = 103,164,279,387.69/371,175.68
  6. Step 6: Final answer
    x = 277,939.22

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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.