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Finding the Fourth Proportional to 369,755.78, 554,626.98 and 103,512.24

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Solution

The fourth proportional to 369,755.78, 554,626.98 and 103,512.24 is: 155,266.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,755.78 : 554,626.98 = 103,512.24 : x
  2. Step 2: Convert to fraction form
    369,755.78/554,626.98 = 103,512.24/x
  3. Step 3: Cross multiply
    369,755.78x = 554,626.98 × 103,512.24
  4. Step 4: Simplify right side
    369,755.78x = 57,410,681,064.24
  5. Step 5: Solve for x
    x = 57,410,681,064.24/369,755.78
  6. Step 6: Final answer
    x = 155,266.49

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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.