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Finding the Fourth Proportional to 945,274, 1,304,244.73 and 558,098.45

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Solution

The fourth proportional to 945,274, 1,304,244.73 and 558,098.45 is: 770,038.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,274 : 1,304,244.73 = 558,098.45 : x
  2. Step 2: Convert to fraction form
    945,274/1,304,244.73 = 558,098.45/x
  3. Step 3: Cross multiply
    945,274x = 1,304,244.73 × 558,098.45
  4. Step 4: Simplify right side
    945,274x = 727,896,962,233.67
  5. Step 5: Solve for x
    x = 727,896,962,233.67/945,274
  6. Step 6: Final answer
    x = 770,038.07

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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.