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Finding the Fourth Proportional to 410,125.40, 615,341.70 and 160,986.20

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Solution

The fourth proportional to 410,125.40, 615,341.70 and 160,986.20 is: 241,539.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,125.40 : 615,341.70 = 160,986.20 : x
  2. Step 2: Convert to fraction form
    410,125.40/615,341.70 = 160,986.20/x
  3. Step 3: Cross multiply
    410,125.40x = 615,341.70 × 160,986.20
  4. Step 4: Simplify right side
    410,125.40x = 99,061,521,984.54
  5. Step 5: Solve for x
    x = 99,061,521,984.54/410,125.40
  6. Step 6: Final answer
    x = 241,539.59

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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.