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Finding the Fourth Proportional to 660,099.06, 910,165.16 and 612,269.37

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Solution

The fourth proportional to 660,099.06, 910,165.16 and 612,269.37 is: 844,216.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,099.06 : 910,165.16 = 612,269.37 : x
  2. Step 2: Convert to fraction form
    660,099.06/910,165.16 = 612,269.37/x
  3. Step 3: Cross multiply
    660,099.06x = 910,165.16 × 612,269.37
  4. Step 4: Simplify right side
    660,099.06x = 557,266,246,047.80
  5. Step 5: Solve for x
    x = 557,266,246,047.80/660,099.06
  6. Step 6: Final answer
    x = 844,216.09

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1.5x scale

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.