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Finding the Fourth Proportional to 291,864.86, 402,620.28 and 237,477.86

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Solution

The fourth proportional to 291,864.86, 402,620.28 and 237,477.86 is: 327,594.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,864.86 : 402,620.28 = 237,477.86 : x
  2. Step 2: Convert to fraction form
    291,864.86/402,620.28 = 237,477.86/x
  3. Step 3: Cross multiply
    291,864.86x = 402,620.28 × 237,477.86
  4. Step 4: Simplify right side
    291,864.86x = 95,613,402,487.00
  5. Step 5: Solve for x
    x = 95,613,402,487.00/291,864.86
  6. Step 6: Final answer
    x = 327,594.77

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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.