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Finding the Fourth Proportional to 569,909.52, 786,471.93 and 315,255.24

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Solution

The fourth proportional to 569,909.52, 786,471.93 and 315,255.24 is: 435,050.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,909.52 : 786,471.93 = 315,255.24 : x
  2. Step 2: Convert to fraction form
    569,909.52/786,471.93 = 315,255.24/x
  3. Step 3: Cross multiply
    569,909.52x = 786,471.93 × 315,255.24
  4. Step 4: Simplify right side
    569,909.52x = 247,939,397,045.41
  5. Step 5: Solve for x
    x = 247,939,397,045.41/569,909.52
  6. Step 6: Final answer
    x = 435,050.46

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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.