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Finding the Fourth Proportional to 496,197.54, 684,736.59 and 281,356.74

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Solution

The fourth proportional to 496,197.54, 684,736.59 and 281,356.74 is: 388,263.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,197.54 : 684,736.59 = 281,356.74 : x
  2. Step 2: Convert to fraction form
    496,197.54/684,736.59 = 281,356.74/x
  3. Step 3: Cross multiply
    496,197.54x = 684,736.59 × 281,356.74
  4. Step 4: Simplify right side
    496,197.54x = 192,655,254,721.12
  5. Step 5: Solve for x
    x = 192,655,254,721.12/496,197.54
  6. Step 6: Final answer
    x = 388,263.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.