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Finding the Fourth Proportional to 230,896.60, 346,344.90 and 209,901.40

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Solution

The fourth proportional to 230,896.60, 346,344.90 and 209,901.40 is: 314,852.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,896.60 : 346,344.90 = 209,901.40 : x
  2. Step 2: Convert to fraction form
    230,896.60/346,344.90 = 209,901.40/x
  3. Step 3: Cross multiply
    230,896.60x = 346,344.90 × 209,901.40
  4. Step 4: Simplify right side
    230,896.60x = 72,698,279,392.86
  5. Step 5: Solve for x
    x = 72,698,279,392.86/230,896.60
  6. Step 6: Final answer
    x = 314,852.10

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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.