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Finding the Fourth Proportional to 340,622.58, 470,059.29 and 197,465.61

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Solution

The fourth proportional to 340,622.58, 470,059.29 and 197,465.61 is: 272,502.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,622.58 : 470,059.29 = 197,465.61 : x
  2. Step 2: Convert to fraction form
    340,622.58/470,059.29 = 197,465.61/x
  3. Step 3: Cross multiply
    340,622.58x = 470,059.29 × 197,465.61
  4. Step 4: Simplify right side
    340,622.58x = 92,820,544,436.02
  5. Step 5: Solve for x
    x = 92,820,544,436.02/340,622.58
  6. Step 6: Final answer
    x = 272,502.62

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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.