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Finding the Fourth Proportional to 607,021.42, 910,537.80 and 269,970.70

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Solution

The fourth proportional to 607,021.42, 910,537.80 and 269,970.70 is: 404,958.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,021.42 : 910,537.80 = 269,970.70 : x
  2. Step 2: Convert to fraction form
    607,021.42/910,537.80 = 269,970.70/x
  3. Step 3: Cross multiply
    607,021.42x = 910,537.80 × 269,970.70
  4. Step 4: Simplify right side
    607,021.42x = 245,818,527,242.46
  5. Step 5: Solve for x
    x = 245,818,527,242.46/607,021.42
  6. Step 6: Final answer
    x = 404,958.57

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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.