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Finding the Fourth Proportional to 371,054.01, 512,055.52 and 201,288.13

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Solution

The fourth proportional to 371,054.01, 512,055.52 and 201,288.13 is: 277,778.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,054.01 : 512,055.52 = 201,288.13 : x
  2. Step 2: Convert to fraction form
    371,054.01/512,055.52 = 201,288.13/x
  3. Step 3: Cross multiply
    371,054.01x = 512,055.52 × 201,288.13
  4. Step 4: Simplify right side
    371,054.01x = 103,070,698,076.98
  5. Step 5: Solve for x
    x = 103,070,698,076.98/371,054.01
  6. Step 6: Final answer
    x = 277,778.15

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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.