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Finding the Fourth Proportional to 489,733.58, 734,345.48 and 174,144.62

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Solution

The fourth proportional to 489,733.58, 734,345.48 and 174,144.62 is: 261,126.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,733.58 : 734,345.48 = 174,144.62 : x
  2. Step 2: Convert to fraction form
    489,733.58/734,345.48 = 174,144.62/x
  3. Step 3: Cross multiply
    489,733.58x = 734,345.48 × 174,144.62
  4. Step 4: Simplify right side
    489,733.58x = 127,882,311,326.95
  5. Step 5: Solve for x
    x = 127,882,311,326.95/489,733.58
  6. Step 6: Final answer
    x = 261,126.29

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1.5x scale

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.