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Finding the Fourth Proportional to 568,055.52, 783,901.26 and 313,401.24

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Solution

The fourth proportional to 568,055.52, 783,901.26 and 313,401.24 is: 432,485.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,055.52 : 783,901.26 = 313,401.24 : x
  2. Step 2: Convert to fraction form
    568,055.52/783,901.26 = 313,401.24/x
  3. Step 3: Cross multiply
    568,055.52x = 783,901.26 × 313,401.24
  4. Step 4: Simplify right side
    568,055.52x = 245,675,626,921.56
  5. Step 5: Solve for x
    x = 245,675,626,921.56/568,055.52
  6. Step 6: Final answer
    x = 432,485.24

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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.