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Finding the Fourth Proportional to 560,740.32, 773,806.77 and 515,600.64

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Solution

The fourth proportional to 560,740.32, 773,806.77 and 515,600.64 is: 711,515.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,740.32 : 773,806.77 = 515,600.64 : x
  2. Step 2: Convert to fraction form
    560,740.32/773,806.77 = 515,600.64/x
  3. Step 3: Cross multiply
    560,740.32x = 773,806.77 × 515,600.64
  4. Step 4: Simplify right side
    560,740.32x = 398,975,265,848.33
  5. Step 5: Solve for x
    x = 398,975,265,848.33/560,740.32
  6. Step 6: Final answer
    x = 711,515.21

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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.