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Finding the Fourth Proportional to 633,229.06, 873,823.52 and 346,693.72

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Solution

The fourth proportional to 633,229.06, 873,823.52 and 346,693.72 is: 478,419.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,229.06 : 873,823.52 = 346,693.72 : x
  2. Step 2: Convert to fraction form
    633,229.06/873,823.52 = 346,693.72/x
  3. Step 3: Cross multiply
    633,229.06x = 873,823.52 × 346,693.72
  4. Step 4: Simplify right side
    633,229.06x = 302,949,126,772.29
  5. Step 5: Solve for x
    x = 302,949,126,772.29/633,229.06
  6. Step 6: Final answer
    x = 478,419.49

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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.