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Finding the Fourth Proportional to 352,362.98, 486,249.45 and 197,314.40

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Solution

The fourth proportional to 352,362.98, 486,249.45 and 197,314.40 is: 272,287.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,362.98 : 486,249.45 = 197,314.40 : x
  2. Step 2: Convert to fraction form
    352,362.98/486,249.45 = 197,314.40/x
  3. Step 3: Cross multiply
    352,362.98x = 486,249.45 × 197,314.40
  4. Step 4: Simplify right side
    352,362.98x = 95,944,018,477.08
  5. Step 5: Solve for x
    x = 95,944,018,477.08/352,362.98
  6. Step 6: Final answer
    x = 272,287.45

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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.