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Finding the Fourth Proportional to 314,773.19, 434,386.34 and 171,532.89

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Solution

The fourth proportional to 314,773.19, 434,386.34 and 171,532.89 is: 236,715.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,773.19 : 434,386.34 = 171,532.89 : x
  2. Step 2: Convert to fraction form
    314,773.19/434,386.34 = 171,532.89/x
  3. Step 3: Cross multiply
    314,773.19x = 434,386.34 × 171,532.89
  4. Step 4: Simplify right side
    314,773.19x = 74,511,545,027.18
  5. Step 5: Solve for x
    x = 74,511,545,027.18/314,773.19
  6. Step 6: Final answer
    x = 236,715.03

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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.