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Finding the Fourth Proportional to 569,161.16, 785,442.69 and 314,512.35

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Solution

The fourth proportional to 569,161.16, 785,442.69 and 314,512.35 is: 434,027.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,161.16 : 785,442.69 = 314,512.35 : x
  2. Step 2: Convert to fraction form
    569,161.16/785,442.69 = 314,512.35/x
  3. Step 3: Cross multiply
    569,161.16x = 785,442.69 × 314,512.35
  4. Step 4: Simplify right side
    569,161.16x = 247,031,427,694.93
  5. Step 5: Solve for x
    x = 247,031,427,694.93/569,161.16
  6. Step 6: Final answer
    x = 434,027.20

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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.