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Finding the Fourth Proportional to 602,782.20, 903,844.80 and 182,003.40

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Solution

The fourth proportional to 602,782.20, 903,844.80 and 182,003.40 is: 272,905.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,782.20 : 903,844.80 = 182,003.40 : x
  2. Step 2: Convert to fraction form
    602,782.20/903,844.80 = 182,003.40/x
  3. Step 3: Cross multiply
    602,782.20x = 903,844.80 × 182,003.40
  4. Step 4: Simplify right side
    602,782.20x = 164,502,826,672.32
  5. Step 5: Solve for x
    x = 164,502,826,672.32/602,782.20
  6. Step 6: Final answer
    x = 272,905.91

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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.