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Finding the Fourth Proportional to 889,542, 1,334,443.41 and 282,127.77

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Solution

The fourth proportional to 889,542, 1,334,443.41 and 282,127.77 is: 423,233.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,542 : 1,334,443.41 = 282,127.77 : x
  2. Step 2: Convert to fraction form
    889,542/1,334,443.41 = 282,127.77/x
  3. Step 3: Cross multiply
    889,542x = 1,334,443.41 × 282,127.77
  4. Step 4: Simplify right side
    889,542x = 376,483,543,454.50
  5. Step 5: Solve for x
    x = 376,483,543,454.50/889,542
  6. Step 6: Final answer
    x = 423,233.02

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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.