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Finding the Fourth Proportional to 474,037, 654,010.80 and 269,943.22

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Solution

The fourth proportional to 474,037, 654,010.80 and 269,943.22 is: 372,430.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,037 : 654,010.80 = 269,943.22 : x
  2. Step 2: Convert to fraction form
    474,037/654,010.80 = 269,943.22/x
  3. Step 3: Cross multiply
    474,037x = 654,010.80 × 269,943.22
  4. Step 4: Simplify right side
    474,037x = 176,545,781,266.78
  5. Step 5: Solve for x
    x = 176,545,781,266.78/474,037
  6. Step 6: Final answer
    x = 372,430.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.