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Finding the Fourth Proportional to 599,740.56, 828,261.72 and 518,779.44

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Solution

The fourth proportional to 599,740.56, 828,261.72 and 518,779.44 is: 716,451.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,740.56 : 828,261.72 = 518,779.44 : x
  2. Step 2: Convert to fraction form
    599,740.56/828,261.72 = 518,779.44/x
  3. Step 3: Cross multiply
    599,740.56x = 828,261.72 × 518,779.44
  4. Step 4: Simplify right side
    599,740.56x = 429,685,151,275.04
  5. Step 5: Solve for x
    x = 429,685,151,275.04/599,740.56
  6. Step 6: Final answer
    x = 716,451.71

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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.