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Finding the Fourth Proportional to 340,800.54, 470,298.45 and 185,753.17

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Solution

The fourth proportional to 340,800.54, 470,298.45 and 185,753.17 is: 256,335.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,800.54 : 470,298.45 = 185,753.17 : x
  2. Step 2: Convert to fraction form
    340,800.54/470,298.45 = 185,753.17/x
  3. Step 3: Cross multiply
    340,800.54x = 470,298.45 × 185,753.17
  4. Step 4: Simplify right side
    340,800.54x = 87,359,427,933.59
  5. Step 5: Solve for x
    x = 87,359,427,933.59/340,800.54
  6. Step 6: Final answer
    x = 256,335.94

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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.