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Finding the Fourth Proportional to 557,898.28, 836,377.02 and 242,117.32

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Solution

The fourth proportional to 557,898.28, 836,377.02 and 242,117.32 is: 362,971.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,898.28 : 836,377.02 = 242,117.32 : x
  2. Step 2: Convert to fraction form
    557,898.28/836,377.02 = 242,117.32/x
  3. Step 3: Cross multiply
    557,898.28x = 836,377.02 × 242,117.32
  4. Step 4: Simplify right side
    557,898.28x = 202,501,362,591.99
  5. Step 5: Solve for x
    x = 202,501,362,591.99/557,898.28
  6. Step 6: Final answer
    x = 362,971.84

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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.