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Finding the Fourth Proportional to 341,007.12, 470,601.20 and 185,966.90

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Solution

The fourth proportional to 341,007.12, 470,601.20 and 185,966.90 is: 256,640.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,007.12 : 470,601.20 = 185,966.90 : x
  2. Step 2: Convert to fraction form
    341,007.12/470,601.20 = 185,966.90/x
  3. Step 3: Cross multiply
    341,007.12x = 470,601.20 × 185,966.90
  4. Step 4: Simplify right side
    341,007.12x = 87,516,246,300.28
  5. Step 5: Solve for x
    x = 87,516,246,300.28/341,007.12
  6. Step 6: Final answer
    x = 256,640.52

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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.