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Finding the Fourth Proportional to 316,588.44, 474,128.81 and 183,187.56

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Solution

The fourth proportional to 316,588.44, 474,128.81 and 183,187.56 is: 274,345.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,588.44 : 474,128.81 = 183,187.56 : x
  2. Step 2: Convert to fraction form
    316,588.44/474,128.81 = 183,187.56/x
  3. Step 3: Cross multiply
    316,588.44x = 474,128.81 × 183,187.56
  4. Step 4: Simplify right side
    316,588.44x = 86,854,499,829.60
  5. Step 5: Solve for x
    x = 86,854,499,829.60/316,588.44
  6. Step 6: Final answer
    x = 274,345.14

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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.