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Finding the Fourth Proportional to 375,658.80, 518,462.30 and 232,464.98

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Solution

The fourth proportional to 375,658.80, 518,462.30 and 232,464.98 is: 320,834.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,658.80 : 518,462.30 = 232,464.98 : x
  2. Step 2: Convert to fraction form
    375,658.80/518,462.30 = 232,464.98/x
  3. Step 3: Cross multiply
    375,658.80x = 518,462.30 × 232,464.98
  4. Step 4: Simplify right side
    375,658.80x = 120,524,328,200.25
  5. Step 5: Solve for x
    x = 120,524,328,200.25/375,658.80
  6. Step 6: Final answer
    x = 320,834.57

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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.