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Finding the Fourth Proportional to 340,949.68, 470,512.68 and 190,056.40

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Solution

The fourth proportional to 340,949.68, 470,512.68 and 190,056.40 is: 262,279.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,949.68 : 470,512.68 = 190,056.40 : x
  2. Step 2: Convert to fraction form
    340,949.68/470,512.68 = 190,056.40/x
  3. Step 3: Cross multiply
    340,949.68x = 470,512.68 × 190,056.40
  4. Step 4: Simplify right side
    340,949.68x = 89,423,946,115.15
  5. Step 5: Solve for x
    x = 89,423,946,115.15/340,949.68
  6. Step 6: Final answer
    x = 262,279.01

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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.