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Finding the Fourth Proportional to 633,171.71, 873,777.17 and 346,709.94

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Solution

The fourth proportional to 633,171.71, 873,777.17 and 346,709.94 is: 478,459.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,171.71 : 873,777.17 = 346,709.94 : x
  2. Step 2: Convert to fraction form
    633,171.71/873,777.17 = 346,709.94/x
  3. Step 3: Cross multiply
    633,171.71x = 873,777.17 × 346,709.94
  4. Step 4: Simplify right side
    633,171.71x = 302,947,228,450.52
  5. Step 5: Solve for x
    x = 302,947,228,450.52/633,171.71
  6. Step 6: Final answer
    x = 478,459.83

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1.5x scale

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.