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Finding the Fourth Proportional to 401,510.18, 602,412.87 and 164,789.30

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Solution

The fourth proportional to 401,510.18, 602,412.87 and 164,789.30 is: 247,244.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,510.18 : 602,412.87 = 164,789.30 : x
  2. Step 2: Convert to fraction form
    401,510.18/602,412.87 = 164,789.30/x
  3. Step 3: Cross multiply
    401,510.18x = 602,412.87 × 164,789.30
  4. Step 4: Simplify right side
    401,510.18x = 99,271,195,158.29
  5. Step 5: Solve for x
    x = 99,271,195,158.29/401,510.18
  6. Step 6: Final answer
    x = 247,244.53

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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.