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Finding the Fourth Proportional to 489,618.04, 734,501.04 and 173,999.92

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Solution

The fourth proportional to 489,618.04, 734,501.04 and 173,999.92 is: 261,026.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,618.04 : 734,501.04 = 173,999.92 : x
  2. Step 2: Convert to fraction form
    489,618.04/734,501.04 = 173,999.92/x
  3. Step 3: Cross multiply
    489,618.04x = 734,501.04 × 173,999.92
  4. Step 4: Simplify right side
    489,618.04x = 127,803,122,199.92
  5. Step 5: Solve for x
    x = 127,803,122,199.92/489,618.04
  6. Step 6: Final answer
    x = 261,026.17

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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.