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Finding the Fourth Proportional to 340,706.77, 470,175.39 and 197,549.87

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Solution

The fourth proportional to 340,706.77, 470,175.39 and 197,549.87 is: 272,618.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,706.77 : 470,175.39 = 197,549.87 : x
  2. Step 2: Convert to fraction form
    340,706.77/470,175.39 = 197,549.87/x
  3. Step 3: Cross multiply
    340,706.77x = 470,175.39 × 197,549.87
  4. Step 4: Simplify right side
    340,706.77x = 92,883,084,820.82
  5. Step 5: Solve for x
    x = 92,883,084,820.82/340,706.77
  6. Step 6: Final answer
    x = 272,618.84

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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.