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Finding the Fourth Proportional to 246,656.60, 340,386.10 and 133,479.35

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Solution

The fourth proportional to 246,656.60, 340,386.10 and 133,479.35 is: 184,201.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,656.60 : 340,386.10 = 133,479.35 : x
  2. Step 2: Convert to fraction form
    246,656.60/340,386.10 = 133,479.35/x
  3. Step 3: Cross multiply
    246,656.60x = 340,386.10 × 133,479.35
  4. Step 4: Simplify right side
    246,656.60x = 45,434,515,377.04
  5. Step 5: Solve for x
    x = 45,434,515,377.04/246,656.60
  6. Step 6: Final answer
    x = 184,201.50

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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.