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Finding the Fourth Proportional to 468,508.59, 646,542.27 and 253,648.80

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Solution

The fourth proportional to 468,508.59, 646,542.27 and 253,648.80 is: 350,035.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,508.59 : 646,542.27 = 253,648.80 : x
  2. Step 2: Convert to fraction form
    468,508.59/646,542.27 = 253,648.80/x
  3. Step 3: Cross multiply
    468,508.59x = 646,542.27 × 253,648.80
  4. Step 4: Simplify right side
    468,508.59x = 163,994,670,934.78
  5. Step 5: Solve for x
    x = 163,994,670,934.78/468,508.59
  6. Step 6: Final answer
    x = 350,035.57

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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.