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Finding the Fourth Proportional to 633,302.28, 873,959.94 and 346,824.36

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Solution

The fourth proportional to 633,302.28, 873,959.94 and 346,824.36 is: 478,619.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,302.28 : 873,959.94 = 346,824.36 : x
  2. Step 2: Convert to fraction form
    633,302.28/873,959.94 = 346,824.36/x
  3. Step 3: Cross multiply
    633,302.28x = 873,959.94 × 346,824.36
  4. Step 4: Simplify right side
    633,302.28x = 303,110,596,856.14
  5. Step 5: Solve for x
    x = 303,110,596,856.14/633,302.28
  6. Step 6: Final answer
    x = 478,619.15

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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.