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Finding the Fourth Proportional to 400,991.80, 600,854.88 and 147,924.04

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Solution

The fourth proportional to 400,991.80, 600,854.88 and 147,924.04 is: 221,652.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,991.80 : 600,854.88 = 147,924.04 : x
  2. Step 2: Convert to fraction form
    400,991.80/600,854.88 = 147,924.04/x
  3. Step 3: Cross multiply
    400,991.80x = 600,854.88 × 147,924.04
  4. Step 4: Simplify right side
    400,991.80x = 88,880,881,303.32
  5. Step 5: Solve for x
    x = 88,880,881,303.32/400,991.80
  6. Step 6: Final answer
    x = 221,652.62

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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.