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Finding the Fourth Proportional to 484,157.19, 668,120.90 and 269,291.19

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Solution

The fourth proportional to 484,157.19, 668,120.90 and 269,291.19 is: 371,612.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,157.19 : 668,120.90 = 269,291.19 : x
  2. Step 2: Convert to fraction form
    484,157.19/668,120.90 = 269,291.19/x
  3. Step 3: Cross multiply
    484,157.19x = 668,120.90 × 269,291.19
  4. Step 4: Simplify right side
    484,157.19x = 179,919,070,878.42
  5. Step 5: Solve for x
    x = 179,919,070,878.42/484,157.19
  6. Step 6: Final answer
    x = 371,612.93

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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.