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Finding the Fourth Proportional to 557,897.28, 836,375.52 and 242,116.32

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Solution

The fourth proportional to 557,897.28, 836,375.52 and 242,116.32 is: 362,970.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,897.28 : 836,375.52 = 242,116.32 : x
  2. Step 2: Convert to fraction form
    557,897.28/836,375.52 = 242,116.32/x
  3. Step 3: Cross multiply
    557,897.28x = 836,375.52 × 242,116.32
  4. Step 4: Simplify right side
    557,897.28x = 202,500,163,040.49
  5. Step 5: Solve for x
    x = 202,500,163,040.49/557,897.28
  6. Step 6: Final answer
    x = 362,970.34

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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.