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Finding the Fourth Proportional to 633,170.28, 873,784.63 and 346,717.02

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Solution

The fourth proportional to 633,170.28, 873,784.63 and 346,717.02 is: 478,474.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,170.28 : 873,784.63 = 346,717.02 : x
  2. Step 2: Convert to fraction form
    633,170.28/873,784.63 = 346,717.02/x
  3. Step 3: Cross multiply
    633,170.28x = 873,784.63 × 346,717.02
  4. Step 4: Simplify right side
    633,170.28x = 302,956,006,745.49
  5. Step 5: Solve for x
    x = 302,956,006,745.49/633,170.28
  6. Step 6: Final answer
    x = 478,474.77

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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.