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Finding the Fourth Proportional to 349,447.10, 524,171.35 and 96,728.31

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Solution

The fourth proportional to 349,447.10, 524,171.35 and 96,728.31 is: 145,092.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,447.10 : 524,171.35 = 96,728.31 : x
  2. Step 2: Convert to fraction form
    349,447.10/524,171.35 = 96,728.31/x
  3. Step 3: Cross multiply
    349,447.10x = 524,171.35 × 96,728.31
  4. Step 4: Simplify right side
    349,447.10x = 50,702,208,956.83
  5. Step 5: Solve for x
    x = 50,702,208,956.83/349,447.10
  6. Step 6: Final answer
    x = 145,092.66

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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.