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Finding the Fourth Proportional to 292,433.52, 403,328.91 and 190,491.06

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Solution

The fourth proportional to 292,433.52, 403,328.91 and 190,491.06 is: 262,728.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,433.52 : 403,328.91 = 190,491.06 : x
  2. Step 2: Convert to fraction form
    292,433.52/403,328.91 = 190,491.06/x
  3. Step 3: Cross multiply
    292,433.52x = 403,328.91 × 190,491.06
  4. Step 4: Simplify right side
    292,433.52x = 76,830,551,594.54
  5. Step 5: Solve for x
    x = 76,830,551,594.54/292,433.52
  6. Step 6: Final answer
    x = 262,728.27

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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.