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Finding the Fourth Proportional to 569,561.22, 786,010.23 and 314,921.52

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Solution

The fourth proportional to 569,561.22, 786,010.23 and 314,921.52 is: 434,600.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,561.22 : 786,010.23 = 314,921.52 : x
  2. Step 2: Convert to fraction form
    569,561.22/786,010.23 = 314,921.52/x
  3. Step 3: Cross multiply
    569,561.22x = 786,010.23 × 314,921.52
  4. Step 4: Simplify right side
    569,561.22x = 247,531,536,367.15
  5. Step 5: Solve for x
    x = 247,531,536,367.15/569,561.22
  6. Step 6: Final answer
    x = 434,600.40

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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.