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Finding the Fourth Proportional to 611,734.32, 917,393.40 and 232,563.60

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Solution

The fourth proportional to 611,734.32, 917,393.40 and 232,563.60 is: 348,766.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,734.32 : 917,393.40 = 232,563.60 : x
  2. Step 2: Convert to fraction form
    611,734.32/917,393.40 = 232,563.60/x
  3. Step 3: Cross multiply
    611,734.32x = 917,393.40 × 232,563.60
  4. Step 4: Simplify right side
    611,734.32x = 213,352,311,720.24
  5. Step 5: Solve for x
    x = 213,352,311,720.24/611,734.32
  6. Step 6: Final answer
    x = 348,766.29

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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.