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Finding the Fourth Proportional to 408,252.60, 563,458.32 and 263,017.56

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Solution

The fourth proportional to 408,252.60, 563,458.32 and 263,017.56 is: 363,009.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,252.60 : 563,458.32 = 263,017.56 : x
  2. Step 2: Convert to fraction form
    408,252.60/563,458.32 = 263,017.56/x
  3. Step 3: Cross multiply
    408,252.60x = 563,458.32 × 263,017.56
  4. Step 4: Simplify right side
    408,252.60x = 148,199,432,488.10
  5. Step 5: Solve for x
    x = 148,199,432,488.10/408,252.60
  6. Step 6: Final answer
    x = 363,009.16

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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.