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Finding the Fourth Proportional to 560,750.32, 773,820.57 and 515,610.64

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Solution

The fourth proportional to 560,750.32, 773,820.57 and 515,610.64 is: 711,529.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,750.32 : 773,820.57 = 515,610.64 : x
  2. Step 2: Convert to fraction form
    560,750.32/773,820.57 = 515,610.64/x
  3. Step 3: Cross multiply
    560,750.32x = 773,820.57 × 515,610.64
  4. Step 4: Simplify right side
    560,750.32x = 398,990,119,342.87
  5. Step 5: Solve for x
    x = 398,990,119,342.87/560,750.32
  6. Step 6: Final answer
    x = 711,529.01

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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.