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Finding the Fourth Proportional to 371,073.13, 512,081.12 and 201,307.25

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Solution

The fourth proportional to 371,073.13, 512,081.12 and 201,307.25 is: 277,804.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,073.13 : 512,081.12 = 201,307.25 : x
  2. Step 2: Convert to fraction form
    371,073.13/512,081.12 = 201,307.25/x
  3. Step 3: Cross multiply
    371,073.13x = 512,081.12 × 201,307.25
  4. Step 4: Simplify right side
    371,073.13x = 103,085,642,044.12
  5. Step 5: Solve for x
    x = 103,085,642,044.12/371,073.13
  6. Step 6: Final answer
    x = 277,804.11

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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.