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Finding the Fourth Proportional to 401,801.27, 602,870.99 and 250,125.31

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Solution

The fourth proportional to 401,801.27, 602,870.99 and 250,125.31 is: 375,293.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,801.27 : 602,870.99 = 250,125.31 : x
  2. Step 2: Convert to fraction form
    401,801.27/602,870.99 = 250,125.31/x
  3. Step 3: Cross multiply
    401,801.27x = 602,870.99 × 250,125.31
  4. Step 4: Simplify right side
    401,801.27x = 150,793,293,263.76
  5. Step 5: Solve for x
    x = 150,793,293,263.76/401,801.27
  6. Step 6: Final answer
    x = 375,293.22

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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.