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Finding the Fourth Proportional to 352,547.52, 486,534.24 and 201,670.08

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Solution

The fourth proportional to 352,547.52, 486,534.24 and 201,670.08 is: 278,315.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,547.52 : 486,534.24 = 201,670.08 : x
  2. Step 2: Convert to fraction form
    352,547.52/486,534.24 = 201,670.08/x
  3. Step 3: Cross multiply
    352,547.52x = 486,534.24 × 201,670.08
  4. Step 4: Simplify right side
    352,547.52x = 98,119,399,103.54
  5. Step 5: Solve for x
    x = 98,119,399,103.54/352,547.52
  6. Step 6: Final answer
    x = 278,315.39

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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.