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Finding the Fourth Proportional to 602,624.24, 831,619.16 and 330,696.64

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Solution

The fourth proportional to 602,624.24, 831,619.16 and 330,696.64 is: 456,360.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,624.24 : 831,619.16 = 330,696.64 : x
  2. Step 2: Convert to fraction form
    602,624.24/831,619.16 = 330,696.64/x
  3. Step 3: Cross multiply
    602,624.24x = 831,619.16 × 330,696.64
  4. Step 4: Simplify right side
    602,624.24x = 275,013,661,971.62
  5. Step 5: Solve for x
    x = 275,013,661,971.62/602,624.24
  6. Step 6: Final answer
    x = 456,360.11

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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.