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Finding the Fourth Proportional to 615,231.10, 922,190.55 and 236,005.30

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Solution

The fourth proportional to 615,231.10, 922,190.55 and 236,005.30 is: 353,756.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,231.10 : 922,190.55 = 236,005.30 : x
  2. Step 2: Convert to fraction form
    615,231.10/922,190.55 = 236,005.30/x
  3. Step 3: Cross multiply
    615,231.10x = 922,190.55 × 236,005.30
  4. Step 4: Simplify right side
    615,231.10x = 217,641,857,409.92
  5. Step 5: Solve for x
    x = 217,641,857,409.92/615,231.10
  6. Step 6: Final answer
    x = 353,756.27

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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.