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Finding the Fourth Proportional to 928,888.20, 1,281,879 and 695,902.32

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Solution

The fourth proportional to 928,888.20, 1,281,879 and 695,902.32 is: 960,355.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,888.20 : 1,281,879 = 695,902.32 : x
  2. Step 2: Convert to fraction form
    928,888.20/1,281,879 = 695,902.32/x
  3. Step 3: Cross multiply
    928,888.20x = 1,281,879 × 695,902.32
  4. Step 4: Simplify right side
    928,888.20x = 892,062,570,059.28
  5. Step 5: Solve for x
    x = 892,062,570,059.28/928,888.20
  6. Step 6: Final answer
    x = 960,355.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.