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Finding the Fourth Proportional to 617,734.08, 926,009.28 and 196,737.12

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Solution

The fourth proportional to 617,734.08, 926,009.28 and 196,737.12 is: 294,917.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,734.08 : 926,009.28 = 196,737.12 : x
  2. Step 2: Convert to fraction form
    617,734.08/926,009.28 = 196,737.12/x
  3. Step 3: Cross multiply
    617,734.08x = 926,009.28 × 196,737.12
  4. Step 4: Simplify right side
    617,734.08x = 182,180,398,840.47
  5. Step 5: Solve for x
    x = 182,180,398,840.47/617,734.08
  6. Step 6: Final answer
    x = 294,917.19

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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.