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Finding the Fourth Proportional to 228,200.60, 342,333.30 and 70,412.60

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Solution

The fourth proportional to 228,200.60, 342,333.30 and 70,412.60 is: 105,628.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,200.60 : 342,333.30 = 70,412.60 : x
  2. Step 2: Convert to fraction form
    228,200.60/342,333.30 = 70,412.60/x
  3. Step 3: Cross multiply
    228,200.60x = 342,333.30 × 70,412.60
  4. Step 4: Simplify right side
    228,200.60x = 24,104,577,719.58
  5. Step 5: Solve for x
    x = 24,104,577,719.58/228,200.60
  6. Step 6: Final answer
    x = 105,628.90

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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.