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Finding the Fourth Proportional to 352,266.50, 486,127.77 and 201,366.74

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Solution

The fourth proportional to 352,266.50, 486,127.77 and 201,366.74 is: 277,886.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,266.50 : 486,127.77 = 201,366.74 : x
  2. Step 2: Convert to fraction form
    352,266.50/486,127.77 = 201,366.74/x
  3. Step 3: Cross multiply
    352,266.50x = 486,127.77 × 201,366.74
  4. Step 4: Simplify right side
    352,266.50x = 97,889,964,268.37
  5. Step 5: Solve for x
    x = 97,889,964,268.37/352,266.50
  6. Step 6: Final answer
    x = 277,886.10

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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.