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Finding the Fourth Proportional to 352,288.50, 486,158.16 and 201,388.74

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Solution

The fourth proportional to 352,288.50, 486,158.16 and 201,388.74 is: 277,916.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,288.50 : 486,158.16 = 201,388.74 : x
  2. Step 2: Convert to fraction form
    352,288.50/486,158.16 = 201,388.74/x
  3. Step 3: Cross multiply
    352,288.50x = 486,158.16 × 201,388.74
  4. Step 4: Simplify right side
    352,288.50x = 97,906,779,283.12
  5. Step 5: Solve for x
    x = 97,906,779,283.12/352,288.50
  6. Step 6: Final answer
    x = 277,916.48

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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.