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Finding the Fourth Proportional to 322,466.88, 482,483.52 and 289,726.08

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Solution

The fourth proportional to 322,466.88, 482,483.52 and 289,726.08 is: 433,495.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,466.88 : 482,483.52 = 289,726.08 : x
  2. Step 2: Convert to fraction form
    322,466.88/482,483.52 = 289,726.08/x
  3. Step 3: Cross multiply
    322,466.88x = 482,483.52 × 289,726.08
  4. Step 4: Simplify right side
    322,466.88x = 139,788,058,914.20
  5. Step 5: Solve for x
    x = 139,788,058,914.20/322,466.88
  6. Step 6: Final answer
    x = 433,495.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.