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Finding the Fourth Proportional to 567,923.98, 783,674.58 and 313,275.18

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Solution

The fourth proportional to 567,923.98, 783,674.58 and 313,275.18 is: 432,286.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,923.98 : 783,674.58 = 313,275.18 : x
  2. Step 2: Convert to fraction form
    567,923.98/783,674.58 = 313,275.18/x
  3. Step 3: Cross multiply
    567,923.98x = 783,674.58 × 313,275.18
  4. Step 4: Simplify right side
    567,923.98x = 245,505,795,110.92
  5. Step 5: Solve for x
    x = 245,505,795,110.92/567,923.98
  6. Step 6: Final answer
    x = 432,286.37

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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.