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Finding the Fourth Proportional to 361,445.58, 498,772.35 and 200,291.22

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Solution

The fourth proportional to 361,445.58, 498,772.35 and 200,291.22 is: 276,389.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,445.58 : 498,772.35 = 200,291.22 : x
  2. Step 2: Convert to fraction form
    361,445.58/498,772.35 = 200,291.22/x
  3. Step 3: Cross multiply
    361,445.58x = 498,772.35 × 200,291.22
  4. Step 4: Simplify right side
    361,445.58x = 99,899,722,483.77
  5. Step 5: Solve for x
    x = 99,899,722,483.77/361,445.58
  6. Step 6: Final answer
    x = 276,389.39

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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.