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Finding the Fourth Proportional to 370,860.60, 511,784.78 and 201,094.20

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Solution

The fourth proportional to 370,860.60, 511,784.78 and 201,094.20 is: 277,508.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,860.60 : 511,784.78 = 201,094.20 : x
  2. Step 2: Convert to fraction form
    370,860.60/511,784.78 = 201,094.20/x
  3. Step 3: Cross multiply
    370,860.60x = 511,784.78 × 201,094.20
  4. Step 4: Simplify right side
    370,860.60x = 102,916,950,906.28
  5. Step 5: Solve for x
    x = 102,916,950,906.28/370,860.60
  6. Step 6: Final answer
    x = 277,508.45

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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.