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Finding the Fourth Proportional to 566,452.08, 781,778.52 and 340,112.16

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Solution

The fourth proportional to 566,452.08, 781,778.52 and 340,112.16 is: 469,399.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,452.08 : 781,778.52 = 340,112.16 : x
  2. Step 2: Convert to fraction form
    566,452.08/781,778.52 = 340,112.16/x
  3. Step 3: Cross multiply
    566,452.08x = 781,778.52 × 340,112.16
  4. Step 4: Simplify right side
    566,452.08x = 265,892,381,078.80
  5. Step 5: Solve for x
    x = 265,892,381,078.80/566,452.08
  6. Step 6: Final answer
    x = 469,399.60

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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.