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Finding the Fourth Proportional to 624,955.84, 937,572.96 and 344,328.64

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Solution

The fourth proportional to 624,955.84, 937,572.96 and 344,328.64 is: 516,569.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,955.84 : 937,572.96 = 344,328.64 : x
  2. Step 2: Convert to fraction form
    624,955.84/937,572.96 = 344,328.64/x
  3. Step 3: Cross multiply
    624,955.84x = 937,572.96 × 344,328.64
  4. Step 4: Simplify right side
    624,955.84x = 322,833,222,217.57
  5. Step 5: Solve for x
    x = 322,833,222,217.57/624,955.84
  6. Step 6: Final answer
    x = 516,569.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.