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Finding the Fourth Proportional to 371,092.03, 512,155.22 and 207,810.70

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Solution

The fourth proportional to 371,092.03, 512,155.22 and 207,810.70 is: 286,805.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,092.03 : 512,155.22 = 207,810.70 : x
  2. Step 2: Convert to fraction form
    371,092.03/512,155.22 = 207,810.70/x
  3. Step 3: Cross multiply
    371,092.03x = 512,155.22 × 207,810.70
  4. Step 4: Simplify right side
    371,092.03x = 106,431,334,776.85
  5. Step 5: Solve for x
    x = 106,431,334,776.85/371,092.03
  6. Step 6: Final answer
    x = 286,805.77

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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.