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Finding the Fourth Proportional to 410,385.56, 615,311.84 and 170,433.59

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Solution

The fourth proportional to 410,385.56, 615,311.84 and 170,433.59 is: 255,539.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,385.56 : 615,311.84 = 170,433.59 : x
  2. Step 2: Convert to fraction form
    410,385.56/615,311.84 = 170,433.59/x
  3. Step 3: Cross multiply
    410,385.56x = 615,311.84 × 170,433.59
  4. Step 4: Simplify right side
    410,385.56x = 104,869,803,210.23
  5. Step 5: Solve for x
    x = 104,869,803,210.23/410,385.56
  6. Step 6: Final answer
    x = 255,539.70

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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.