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Finding the Fourth Proportional to 500,763.64, 750,620.56 and 185,019.16

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Solution

The fourth proportional to 500,763.64, 750,620.56 and 185,019.16 is: 277,334.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,763.64 : 750,620.56 = 185,019.16 : x
  2. Step 2: Convert to fraction form
    500,763.64/750,620.56 = 185,019.16/x
  3. Step 3: Cross multiply
    500,763.64x = 750,620.56 × 185,019.16
  4. Step 4: Simplify right side
    500,763.64x = 138,879,185,489.93
  5. Step 5: Solve for x
    x = 138,879,185,489.93/500,763.64
  6. Step 6: Final answer
    x = 277,334.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.