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Finding the Fourth Proportional to 231,579.50, 347,369.26 and 56,475.50

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Solution

The fourth proportional to 231,579.50, 347,369.26 and 56,475.50 is: 84,713.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,579.50 : 347,369.26 = 56,475.50 : x
  2. Step 2: Convert to fraction form
    231,579.50/347,369.26 = 56,475.50/x
  3. Step 3: Cross multiply
    231,579.50x = 347,369.26 × 56,475.50
  4. Step 4: Simplify right side
    231,579.50x = 19,617,852,643.13
  5. Step 5: Solve for x
    x = 19,617,852,643.13/231,579.50
  6. Step 6: Final answer
    x = 84,713.25

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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.