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Finding the Fourth Proportional to 336,850.40, 505,345.80 and 112,280.60

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Solution

The fourth proportional to 336,850.40, 505,345.80 and 112,280.60 is: 168,444.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,850.40 : 505,345.80 = 112,280.60 : x
  2. Step 2: Convert to fraction form
    336,850.40/505,345.80 = 112,280.60/x
  3. Step 3: Cross multiply
    336,850.40x = 505,345.80 × 112,280.60
  4. Step 4: Simplify right side
    336,850.40x = 56,740,529,631.48
  5. Step 5: Solve for x
    x = 56,740,529,631.48/336,850.40
  6. Step 6: Final answer
    x = 168,444.30

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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.