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Finding the Fourth Proportional to 263,663.64, 363,878.33 and 148,963.46

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Solution

The fourth proportional to 263,663.64, 363,878.33 and 148,963.46 is: 205,582.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,663.64 : 363,878.33 = 148,963.46 : x
  2. Step 2: Convert to fraction form
    263,663.64/363,878.33 = 148,963.46/x
  3. Step 3: Cross multiply
    263,663.64x = 363,878.33 × 148,963.46
  4. Step 4: Simplify right side
    263,663.64x = 54,204,572,491.61
  5. Step 5: Solve for x
    x = 54,204,572,491.61/263,663.64
  6. Step 6: Final answer
    x = 205,582.28

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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.