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Finding the Fourth Proportional to 562,687.24, 776,570.34 and 358,745.56

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Solution

The fourth proportional to 562,687.24, 776,570.34 and 358,745.56 is: 495,108.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,687.24 : 776,570.34 = 358,745.56 : x
  2. Step 2: Convert to fraction form
    562,687.24/776,570.34 = 358,745.56/x
  3. Step 3: Cross multiply
    562,687.24x = 776,570.34 × 358,745.56
  4. Step 4: Simplify right side
    562,687.24x = 278,591,161,502.69
  5. Step 5: Solve for x
    x = 278,591,161,502.69/562,687.24
  6. Step 6: Final answer
    x = 495,108.37

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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.