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Finding the Fourth Proportional to 569,403.88, 785,782.08 and 314,759.32

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Solution

The fourth proportional to 569,403.88, 785,782.08 and 314,759.32 is: 434,370.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,403.88 : 785,782.08 = 314,759.32 : x
  2. Step 2: Convert to fraction form
    569,403.88/785,782.08 = 314,759.32/x
  3. Step 3: Cross multiply
    569,403.88x = 785,782.08 × 314,759.32
  4. Step 4: Simplify right side
    569,403.88x = 247,332,233,168.99
  5. Step 5: Solve for x
    x = 247,332,233,168.99/569,403.88
  6. Step 6: Final answer
    x = 434,370.47

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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.