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Finding the Fourth Proportional to 352,260, 486,118.80 and 201,360.24

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Solution

The fourth proportional to 352,260, 486,118.80 and 201,360.24 is: 277,877.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,260 : 486,118.80 = 201,360.24 : x
  2. Step 2: Convert to fraction form
    352,260/486,118.80 = 201,360.24/x
  3. Step 3: Cross multiply
    352,260x = 486,118.80 × 201,360.24
  4. Step 4: Simplify right side
    352,260x = 97,884,998,236.51
  5. Step 5: Solve for x
    x = 97,884,998,236.51/352,260
  6. Step 6: Final answer
    x = 277,877.13

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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.