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Finding the Fourth Proportional to 360,278.90, 540,725.55 and 160,906.10

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Solution

The fourth proportional to 360,278.90, 540,725.55 and 160,906.10 is: 241,496.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,278.90 : 540,725.55 = 160,906.10 : x
  2. Step 2: Convert to fraction form
    360,278.90/540,725.55 = 160,906.10/x
  3. Step 3: Cross multiply
    360,278.90x = 540,725.55 × 160,906.10
  4. Step 4: Simplify right side
    360,278.90x = 87,006,039,420.86
  5. Step 5: Solve for x
    x = 87,006,039,420.86/360,278.90
  6. Step 6: Final answer
    x = 241,496.35

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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.