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Finding the Fourth Proportional to 402,796.08, 604,194.08 and 191,794.32

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Solution

The fourth proportional to 402,796.08, 604,194.08 and 191,794.32 is: 287,691.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,796.08 : 604,194.08 = 191,794.32 : x
  2. Step 2: Convert to fraction form
    402,796.08/604,194.08 = 191,794.32/x
  3. Step 3: Cross multiply
    402,796.08x = 604,194.08 × 191,794.32
  4. Step 4: Simplify right side
    402,796.08x = 115,880,991,762.65
  5. Step 5: Solve for x
    x = 115,880,991,762.65/402,796.08
  6. Step 6: Final answer
    x = 287,691.46

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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.