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Finding the Fourth Proportional to 681,524.01, 940,509.36 and 375,611.31

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Solution

The fourth proportional to 681,524.01, 940,509.36 and 375,611.31 is: 518,347.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,524.01 : 940,509.36 = 375,611.31 : x
  2. Step 2: Convert to fraction form
    681,524.01/940,509.36 = 375,611.31/x
  3. Step 3: Cross multiply
    681,524.01x = 940,509.36 × 375,611.31
  4. Step 4: Simplify right side
    681,524.01x = 353,265,952,776.86
  5. Step 5: Solve for x
    x = 353,265,952,776.86/681,524.01
  6. Step 6: Final answer
    x = 518,347.04

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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.