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Finding the Fourth Proportional to 341,187.75, 470,686.95 and 197,864.73

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Solution

The fourth proportional to 341,187.75, 470,686.95 and 197,864.73 is: 272,965.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,187.75 : 470,686.95 = 197,864.73 : x
  2. Step 2: Convert to fraction form
    341,187.75/470,686.95 = 197,864.73/x
  3. Step 3: Cross multiply
    341,187.75x = 470,686.95 × 197,864.73
  4. Step 4: Simplify right side
    341,187.75x = 93,132,346,276.27
  5. Step 5: Solve for x
    x = 93,132,346,276.27/341,187.75
  6. Step 6: Final answer
    x = 272,965.09

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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.