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Finding the Fourth Proportional to 352,426.56, 486,210.24 and 201,442.56

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Solution

The fourth proportional to 352,426.56, 486,210.24 and 201,442.56 is: 277,911.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,426.56 : 486,210.24 = 201,442.56 : x
  2. Step 2: Convert to fraction form
    352,426.56/486,210.24 = 201,442.56/x
  3. Step 3: Cross multiply
    352,426.56x = 486,210.24 × 201,442.56
  4. Step 4: Simplify right side
    352,426.56x = 97,943,435,443.81
  5. Step 5: Solve for x
    x = 97,943,435,443.81/352,426.56
  6. Step 6: Final answer
    x = 277,911.62

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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.