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Finding the Fourth Proportional to 369,817.72, 554,801.94 and 167,316.56

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Solution

The fourth proportional to 369,817.72, 554,801.94 and 167,316.56 is: 251,008.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,817.72 : 554,801.94 = 167,316.56 : x
  2. Step 2: Convert to fraction form
    369,817.72/554,801.94 = 167,316.56/x
  3. Step 3: Cross multiply
    369,817.72x = 554,801.94 × 167,316.56
  4. Step 4: Simplify right side
    369,817.72x = 92,827,549,308.12
  5. Step 5: Solve for x
    x = 92,827,549,308.12/369,817.72
  6. Step 6: Final answer
    x = 251,008.93

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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.