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Finding the Fourth Proportional to 857,702.98, 1,183,771.84 and 475,852.78

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Solution

The fourth proportional to 857,702.98, 1,183,771.84 and 475,852.78 is: 656,755.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,702.98 : 1,183,771.84 = 475,852.78 : x
  2. Step 2: Convert to fraction form
    857,702.98/1,183,771.84 = 475,852.78/x
  3. Step 3: Cross multiply
    857,702.98x = 1,183,771.84 × 475,852.78
  4. Step 4: Simplify right side
    857,702.98x = 563,301,120,949.72
  5. Step 5: Solve for x
    x = 563,301,120,949.72/857,702.98
  6. Step 6: Final answer
    x = 656,755.47

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