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Finding the Fourth Proportional to 569,488.23, 785,859.99 and 314,824.23

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Solution

The fourth proportional to 569,488.23, 785,859.99 and 314,824.23 is: 434,438.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,488.23 : 785,859.99 = 314,824.23 : x
  2. Step 2: Convert to fraction form
    569,488.23/785,859.99 = 314,824.23/x
  3. Step 3: Cross multiply
    569,488.23x = 785,859.99 × 314,824.23
  4. Step 4: Simplify right side
    569,488.23x = 247,407,766,239.56
  5. Step 5: Solve for x
    x = 247,407,766,239.56/569,488.23
  6. Step 6: Final answer
    x = 434,438.77

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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.