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Finding the Fourth Proportional to 586,180.79, 878,811.85 and 231,460.32

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Solution

The fourth proportional to 586,180.79, 878,811.85 and 231,460.32 is: 347,009.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,180.79 : 878,811.85 = 231,460.32 : x
  2. Step 2: Convert to fraction form
    586,180.79/878,811.85 = 231,460.32/x
  3. Step 3: Cross multiply
    586,180.79x = 878,811.85 × 231,460.32
  4. Step 4: Simplify right side
    586,180.79x = 203,410,070,863.49
  5. Step 5: Solve for x
    x = 203,410,070,863.49/586,180.79
  6. Step 6: Final answer
    x = 347,009.11

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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.