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Finding the Fourth Proportional to 722,652.31, 996,858.39 and 569,124.91

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Solution

The fourth proportional to 722,652.31, 996,858.39 and 569,124.91 is: 785,075.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,652.31 : 996,858.39 = 569,124.91 : x
  2. Step 2: Convert to fraction form
    722,652.31/996,858.39 = 569,124.91/x
  3. Step 3: Cross multiply
    722,652.31x = 996,858.39 × 569,124.91
  4. Step 4: Simplify right side
    722,652.31x = 567,336,941,491.50
  5. Step 5: Solve for x
    x = 567,336,941,491.50/722,652.31
  6. Step 6: Final answer
    x = 785,075.94

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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.