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Finding the Fourth Proportional to 489,675.87, 734,070.62 and 174,058.97

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Solution

The fourth proportional to 489,675.87, 734,070.62 and 174,058.97 is: 260,930.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,675.87 : 734,070.62 = 174,058.97 : x
  2. Step 2: Convert to fraction form
    489,675.87/734,070.62 = 174,058.97/x
  3. Step 3: Cross multiply
    489,675.87x = 734,070.62 × 174,058.97
  4. Step 4: Simplify right side
    489,675.87x = 127,771,571,483.81
  5. Step 5: Solve for x
    x = 127,771,571,483.81/489,675.87
  6. Step 6: Final answer
    x = 260,930.91

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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.