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Finding the Fourth Proportional to 348,571.88, 522,857.18 and 243,595.88

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Solution

The fourth proportional to 348,571.88, 522,857.18 and 243,595.88 is: 365,393.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,571.88 : 522,857.18 = 243,595.88 : x
  2. Step 2: Convert to fraction form
    348,571.88/522,857.18 = 243,595.88/x
  3. Step 3: Cross multiply
    348,571.88x = 522,857.18 × 243,595.88
  4. Step 4: Simplify right side
    348,571.88x = 127,365,854,876.42
  5. Step 5: Solve for x
    x = 127,365,854,876.42/348,571.88
  6. Step 6: Final answer
    x = 365,393.37

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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.