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Finding the Fourth Proportional to 360,892.32, 498,025.36 and 199,743.94

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Solution

The fourth proportional to 360,892.32, 498,025.36 and 199,743.94 is: 275,643.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,892.32 : 498,025.36 = 199,743.94 : x
  2. Step 2: Convert to fraction form
    360,892.32/498,025.36 = 199,743.94/x
  3. Step 3: Cross multiply
    360,892.32x = 498,025.36 × 199,743.94
  4. Step 4: Simplify right side
    360,892.32x = 99,477,547,626.32
  5. Step 5: Solve for x
    x = 99,477,547,626.32/360,892.32
  6. Step 6: Final answer
    x = 275,643.29

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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.