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Finding the Fourth Proportional to 245,095.60, 367,643.40 and 220,212.40

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Solution

The fourth proportional to 245,095.60, 367,643.40 and 220,212.40 is: 330,318.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,095.60 : 367,643.40 = 220,212.40 : x
  2. Step 2: Convert to fraction form
    245,095.60/367,643.40 = 220,212.40/x
  3. Step 3: Cross multiply
    245,095.60x = 367,643.40 × 220,212.40
  4. Step 4: Simplify right side
    245,095.60x = 80,959,635,458.16
  5. Step 5: Solve for x
    x = 80,959,635,458.16/245,095.60
  6. Step 6: Final answer
    x = 330,318.60

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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.