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Finding the Fourth Proportional to 954,415.34, 1,317,094 and 524,702.78

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Solution

The fourth proportional to 954,415.34, 1,317,094 and 524,702.78 is: 724,090.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    954,415.34 : 1,317,094 = 524,702.78 : x
  2. Step 2: Convert to fraction form
    954,415.34/1,317,094 = 524,702.78/x
  3. Step 3: Cross multiply
    954,415.34x = 1,317,094 × 524,702.78
  4. Step 4: Simplify right side
    954,415.34x = 691,082,876,735.85
  5. Step 5: Solve for x
    x = 691,082,876,735.85/954,415.34
  6. Step 6: Final answer
    x = 724,090.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.