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Finding the Fourth Proportional to 567,976.01, 783,794.27 and 313,327.13

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Solution

The fourth proportional to 567,976.01, 783,794.27 and 313,327.13 is: 432,384.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,976.01 : 783,794.27 = 313,327.13 : x
  2. Step 2: Convert to fraction form
    567,976.01/783,794.27 = 313,327.13/x
  3. Step 3: Cross multiply
    567,976.01x = 783,794.27 × 313,327.13
  4. Step 4: Simplify right side
    567,976.01x = 245,584,005,993.89
  5. Step 5: Solve for x
    x = 245,584,005,993.89/567,976.01
  6. Step 6: Final answer
    x = 432,384.47

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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.