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Finding the Fourth Proportional to 340,703.96, 470,171.48 and 197,547.03

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Solution

The fourth proportional to 340,703.96, 470,171.48 and 197,547.03 is: 272,614.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,703.96 : 470,171.48 = 197,547.03 : x
  2. Step 2: Convert to fraction form
    340,703.96/470,171.48 = 197,547.03/x
  3. Step 3: Cross multiply
    340,703.96x = 470,171.48 × 197,547.03
  4. Step 4: Simplify right side
    340,703.96x = 92,880,978,476.97
  5. Step 5: Solve for x
    x = 92,880,978,476.97/340,703.96
  6. Step 6: Final answer
    x = 272,614.91

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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.