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Finding the Fourth Proportional to 340,707.77, 470,176.77 and 197,550.87

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Solution

The fourth proportional to 340,707.77, 470,176.77 and 197,550.87 is: 272,620.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,707.77 : 470,176.77 = 197,550.87 : x
  2. Step 2: Convert to fraction form
    340,707.77/470,176.77 = 197,550.87/x
  3. Step 3: Cross multiply
    340,707.77x = 470,176.77 × 197,550.87
  4. Step 4: Simplify right side
    340,707.77x = 92,883,829,967.29
  5. Step 5: Solve for x
    x = 92,883,829,967.29/340,707.77
  6. Step 6: Final answer
    x = 272,620.23

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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.