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Finding the Fourth Proportional to 702,671.52, 969,801.52 and 430,889

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Solution

The fourth proportional to 702,671.52, 969,801.52 and 430,889 is: 594,697.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,671.52 : 969,801.52 = 430,889 : x
  2. Step 2: Convert to fraction form
    702,671.52/969,801.52 = 430,889/x
  3. Step 3: Cross multiply
    702,671.52x = 969,801.52 × 430,889
  4. Step 4: Simplify right side
    702,671.52x = 417,876,807,151.28
  5. Step 5: Solve for x
    x = 417,876,807,151.28/702,671.52
  6. Step 6: Final answer
    x = 594,697.23

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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.