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Finding the Fourth Proportional to 467,283.60, 644,853.89 and 263,337.68

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Solution

The fourth proportional to 467,283.60, 644,853.89 and 263,337.68 is: 363,407.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,283.60 : 644,853.89 = 263,337.68 : x
  2. Step 2: Convert to fraction form
    467,283.60/644,853.89 = 263,337.68/x
  3. Step 3: Cross multiply
    467,283.60x = 644,853.89 × 263,337.68
  4. Step 4: Simplify right side
    467,283.60x = 169,814,329,602.05
  5. Step 5: Solve for x
    x = 169,814,329,602.05/467,283.60
  6. Step 6: Final answer
    x = 363,407.42

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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.