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Finding the Fourth Proportional to 468,521.24, 646,547.34 and 261,791.24

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Solution

The fourth proportional to 468,521.24, 646,547.34 and 261,791.24 is: 361,265.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,521.24 : 646,547.34 = 261,791.24 : x
  2. Step 2: Convert to fraction form
    468,521.24/646,547.34 = 261,791.24/x
  3. Step 3: Cross multiply
    468,521.24x = 646,547.34 × 261,791.24
  4. Step 4: Simplify right side
    468,521.24x = 169,260,429,857.30
  5. Step 5: Solve for x
    x = 169,260,429,857.30/468,521.24
  6. Step 6: Final answer
    x = 361,265.22

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1.5x scale

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.