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Finding the Fourth Proportional to 375,647.46, 518,392.50 and 203,570.22

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Solution

The fourth proportional to 375,647.46, 518,392.50 and 203,570.22 is: 280,926.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,647.46 : 518,392.50 = 203,570.22 : x
  2. Step 2: Convert to fraction form
    375,647.46/518,392.50 = 203,570.22/x
  3. Step 3: Cross multiply
    375,647.46x = 518,392.50 × 203,570.22
  4. Step 4: Simplify right side
    375,647.46x = 105,529,275,271.35
  5. Step 5: Solve for x
    x = 105,529,275,271.35/375,647.46
  6. Step 6: Final answer
    x = 280,926.36

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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.