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Finding the Fourth Proportional to 340,674.39, 470,026.59 and 197,406.75

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Solution

The fourth proportional to 340,674.39, 470,026.59 and 197,406.75 is: 272,361.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,674.39 : 470,026.59 = 197,406.75 : x
  2. Step 2: Convert to fraction form
    340,674.39/470,026.59 = 197,406.75/x
  3. Step 3: Cross multiply
    340,674.39x = 470,026.59 × 197,406.75
  4. Step 4: Simplify right side
    340,674.39x = 92,786,421,545.48
  5. Step 5: Solve for x
    x = 92,786,421,545.48/340,674.39
  6. Step 6: Final answer
    x = 272,361.01

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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.