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Finding the Fourth Proportional to 401,549.38, 601,932.39 and 191,130.82

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Solution

The fourth proportional to 401,549.38, 601,932.39 and 191,130.82 is: 286,509.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,549.38 : 601,932.39 = 191,130.82 : x
  2. Step 2: Convert to fraction form
    401,549.38/601,932.39 = 191,130.82/x
  3. Step 3: Cross multiply
    401,549.38x = 601,932.39 × 191,130.82
  4. Step 4: Simplify right side
    401,549.38x = 115,047,831,285.26
  5. Step 5: Solve for x
    x = 115,047,831,285.26/401,549.38
  6. Step 6: Final answer
    x = 286,509.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.