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Finding the Fourth Proportional to 670,610.64, 927,879.63 and 584,748.66

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Solution

The fourth proportional to 670,610.64, 927,879.63 and 584,748.66 is: 809,078.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,610.64 : 927,879.63 = 584,748.66 : x
  2. Step 2: Convert to fraction form
    670,610.64/927,879.63 = 584,748.66/x
  3. Step 3: Cross multiply
    670,610.64x = 927,879.63 × 584,748.66
  4. Step 4: Simplify right side
    670,610.64x = 542,576,370,283.80
  5. Step 5: Solve for x
    x = 542,576,370,283.80/670,610.64
  6. Step 6: Final answer
    x = 809,078.08

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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.