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Finding the Fourth Proportional to 410,220.79, 615,302.01 and 110,718.43

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Solution

The fourth proportional to 410,220.79, 615,302.01 and 110,718.43 is: 166,069.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,220.79 : 615,302.01 = 110,718.43 : x
  2. Step 2: Convert to fraction form
    410,220.79/615,302.01 = 110,718.43/x
  3. Step 3: Cross multiply
    410,220.79x = 615,302.01 × 110,718.43
  4. Step 4: Simplify right side
    410,220.79x = 68,125,272,523.04
  5. Step 5: Solve for x
    x = 68,125,272,523.04/410,220.79
  6. Step 6: Final answer
    x = 166,069.77

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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.