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Finding the Fourth Proportional to 401,598.81, 602,102.97 and 191,384.37

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Solution

The fourth proportional to 401,598.81, 602,102.97 and 191,384.37 is: 286,935.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,598.81 : 602,102.97 = 191,384.37 : x
  2. Step 2: Convert to fraction form
    401,598.81/602,102.97 = 191,384.37/x
  3. Step 3: Cross multiply
    401,598.81x = 602,102.97 × 191,384.37
  4. Step 4: Simplify right side
    401,598.81x = 115,233,097,588.58
  5. Step 5: Solve for x
    x = 115,233,097,588.58/401,598.81
  6. Step 6: Final answer
    x = 286,935.85

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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.