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Finding the Fourth Proportional to 297,889.38, 411,041.52 and 176,985.93

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Solution

The fourth proportional to 297,889.38, 411,041.52 and 176,985.93 is: 244,213.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,889.38 : 411,041.52 = 176,985.93 : x
  2. Step 2: Convert to fraction form
    297,889.38/411,041.52 = 176,985.93/x
  3. Step 3: Cross multiply
    297,889.38x = 411,041.52 × 176,985.93
  4. Step 4: Simplify right side
    297,889.38x = 72,748,565,685.81
  5. Step 5: Solve for x
    x = 72,748,565,685.81/297,889.38
  6. Step 6: Final answer
    x = 244,213.36

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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.