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Finding the Fourth Proportional to 452,902.66, 624,429.21 and 283,074.82

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Solution

The fourth proportional to 452,902.66, 624,429.21 and 283,074.82 is: 390,282.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,902.66 : 624,429.21 = 283,074.82 : x
  2. Step 2: Convert to fraction form
    452,902.66/624,429.21 = 283,074.82/x
  3. Step 3: Cross multiply
    452,902.66x = 624,429.21 × 283,074.82
  4. Step 4: Simplify right side
    452,902.66x = 176,760,186,223.49
  5. Step 5: Solve for x
    x = 176,760,186,223.49/452,902.66
  6. Step 6: Final answer
    x = 390,282.95

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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.