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Finding the Fourth Proportional to 472,066.98, 708,105.40 and 377,895.80

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Solution

The fourth proportional to 472,066.98, 708,105.40 and 377,895.80 is: 566,847.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,066.98 : 708,105.40 = 377,895.80 : x
  2. Step 2: Convert to fraction form
    472,066.98/708,105.40 = 377,895.80/x
  3. Step 3: Cross multiply
    472,066.98x = 708,105.40 × 377,895.80
  4. Step 4: Simplify right side
    472,066.98x = 267,590,056,617.32
  5. Step 5: Solve for x
    x = 267,590,056,617.32/472,066.98
  6. Step 6: Final answer
    x = 566,847.65

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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.