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Finding the Fourth Proportional to 524,672.60, 787,203.30 and 505,232.60

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Solution

The fourth proportional to 524,672.60, 787,203.30 and 505,232.60 is: 758,036.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,672.60 : 787,203.30 = 505,232.60 : x
  2. Step 2: Convert to fraction form
    524,672.60/787,203.30 = 505,232.60/x
  3. Step 3: Cross multiply
    524,672.60x = 787,203.30 × 505,232.60
  4. Step 4: Simplify right side
    524,672.60x = 397,720,769,987.58
  5. Step 5: Solve for x
    x = 397,720,769,987.58/524,672.60
  6. Step 6: Final answer
    x = 758,036.10

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1.5x scale

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.