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Finding the Fourth Proportional to 352,707.08, 486,739.30 and 191,565.28

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Solution

The fourth proportional to 352,707.08, 486,739.30 and 191,565.28 is: 264,362.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,707.08 : 486,739.30 = 191,565.28 : x
  2. Step 2: Convert to fraction form
    352,707.08/486,739.30 = 191,565.28/x
  3. Step 3: Cross multiply
    352,707.08x = 486,739.30 × 191,565.28
  4. Step 4: Simplify right side
    352,707.08x = 93,242,350,291.50
  5. Step 5: Solve for x
    x = 93,242,350,291.50/352,707.08
  6. Step 6: Final answer
    x = 264,362.00

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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.