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Finding the Fourth Proportional to 607,020.42, 910,536.30 and 269,969.70

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Solution

The fourth proportional to 607,020.42, 910,536.30 and 269,969.70 is: 404,957.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,020.42 : 910,536.30 = 269,969.70 : x
  2. Step 2: Convert to fraction form
    607,020.42/910,536.30 = 269,969.70/x
  3. Step 3: Cross multiply
    607,020.42x = 910,536.30 × 269,969.70
  4. Step 4: Simplify right side
    607,020.42x = 245,817,211,750.11
  5. Step 5: Solve for x
    x = 245,817,211,750.11/607,020.42
  6. Step 6: Final answer
    x = 404,957.07

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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.