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Finding the Fourth Proportional to 607,020.12, 910,450.20 and 186,260.76

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Solution

The fourth proportional to 607,020.12, 910,450.20 and 186,260.76 is: 279,366.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,020.12 : 910,450.20 = 186,260.76 : x
  2. Step 2: Convert to fraction form
    607,020.12/910,450.20 = 186,260.76/x
  3. Step 3: Cross multiply
    607,020.12x = 910,450.20 × 186,260.76
  4. Step 4: Simplify right side
    607,020.12x = 169,581,146,194.15
  5. Step 5: Solve for x
    x = 169,581,146,194.15/607,020.12
  6. Step 6: Final answer
    x = 279,366.60

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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.