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Finding the Fourth Proportional to 340,707.92, 470,197.77 and 187,746.14

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Solution

The fourth proportional to 340,707.92, 470,197.77 and 187,746.14 is: 259,101.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,707.92 : 470,197.77 = 187,746.14 : x
  2. Step 2: Convert to fraction form
    340,707.92/470,197.77 = 187,746.14/x
  3. Step 3: Cross multiply
    340,707.92x = 470,197.77 × 187,746.14
  4. Step 4: Simplify right side
    340,707.92x = 88,277,814,003.12
  5. Step 5: Solve for x
    x = 88,277,814,003.12/340,707.92
  6. Step 6: Final answer
    x = 259,101.15

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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.