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Finding the Fourth Proportional to 370,703.78, 555,722.76 and 181,056.86

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Solution

The fourth proportional to 370,703.78, 555,722.76 and 181,056.86 is: 271,422.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,703.78 : 555,722.76 = 181,056.86 : x
  2. Step 2: Convert to fraction form
    370,703.78/555,722.76 = 181,056.86/x
  3. Step 3: Cross multiply
    370,703.78x = 555,722.76 × 181,056.86
  4. Step 4: Simplify right side
    370,703.78x = 100,617,417,956.13
  5. Step 5: Solve for x
    x = 100,617,417,956.13/370,703.78
  6. Step 6: Final answer
    x = 271,422.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.