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Finding the Fourth Proportional to 468,813.83, 646,963.04 and 253,953.83

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Solution

The fourth proportional to 468,813.83, 646,963.04 and 253,953.83 is: 350,456.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,813.83 : 646,963.04 = 253,953.83 : x
  2. Step 2: Convert to fraction form
    468,813.83/646,963.04 = 253,953.83/x
  3. Step 3: Cross multiply
    468,813.83x = 646,963.04 × 253,953.83
  4. Step 4: Simplify right side
    468,813.83x = 164,298,744,128.74
  5. Step 5: Solve for x
    x = 164,298,744,128.74/468,813.83
  6. Step 6: Final answer
    x = 350,456.27

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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.