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Finding the Fourth Proportional to 559,048.30, 838,579.74 and 159,702.10

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Solution

The fourth proportional to 559,048.30, 838,579.74 and 159,702.10 is: 239,555.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,048.30 : 838,579.74 = 159,702.10 : x
  2. Step 2: Convert to fraction form
    559,048.30/838,579.74 = 159,702.10/x
  3. Step 3: Cross multiply
    559,048.30x = 838,579.74 × 159,702.10
  4. Step 4: Simplify right side
    559,048.30x = 133,922,945,495.45
  5. Step 5: Solve for x
    x = 133,922,945,495.45/559,048.30
  6. Step 6: Final answer
    x = 239,555.23

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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.