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Finding the Fourth Proportional to 552,751.32, 828,038.34 and 513,871.32

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Solution

The fourth proportional to 552,751.32, 828,038.34 and 513,871.32 is: 769,794.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,751.32 : 828,038.34 = 513,871.32 : x
  2. Step 2: Convert to fraction form
    552,751.32/828,038.34 = 513,871.32/x
  3. Step 3: Cross multiply
    552,751.32x = 828,038.34 × 513,871.32
  4. Step 4: Simplify right side
    552,751.32x = 425,505,154,786.41
  5. Step 5: Solve for x
    x = 425,505,154,786.41/552,751.32
  6. Step 6: Final answer
    x = 769,794.91

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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.