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Finding the Fourth Proportional to 623,859.66, 935,915.85 and 203,022.54

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Solution

The fourth proportional to 623,859.66, 935,915.85 and 203,022.54 is: 304,574.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,859.66 : 935,915.85 = 203,022.54 : x
  2. Step 2: Convert to fraction form
    623,859.66/935,915.85 = 203,022.54/x
  3. Step 3: Cross multiply
    623,859.66x = 935,915.85 × 203,022.54
  4. Step 4: Simplify right side
    623,859.66x = 190,012,013,093.26
  5. Step 5: Solve for x
    x = 190,012,013,093.26/623,859.66
  6. Step 6: Final answer
    x = 304,574.93

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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.