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Finding the Fourth Proportional to 323,533.44, 485,303.26 and 86,876.12

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Solution

The fourth proportional to 323,533.44, 485,303.26 and 86,876.12 is: 130,315.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,533.44 : 485,303.26 = 86,876.12 : x
  2. Step 2: Convert to fraction form
    323,533.44/485,303.26 = 86,876.12/x
  3. Step 3: Cross multiply
    323,533.44x = 485,303.26 × 86,876.12
  4. Step 4: Simplify right side
    323,533.44x = 42,161,264,252.15
  5. Step 5: Solve for x
    x = 42,161,264,252.15/323,533.44
  6. Step 6: Final answer
    x = 130,315.01

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1.5x scale

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.