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Finding the Fourth Proportional to 605,564.10, 906,596.55 and 369,368.10

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Solution

The fourth proportional to 605,564.10, 906,596.55 and 369,368.10 is: 552,984.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,564.10 : 906,596.55 = 369,368.10 : x
  2. Step 2: Convert to fraction form
    605,564.10/906,596.55 = 369,368.10/x
  3. Step 3: Cross multiply
    605,564.10x = 906,596.55 × 369,368.10
  4. Step 4: Simplify right side
    605,564.10x = 334,867,845,140.06
  5. Step 5: Solve for x
    x = 334,867,845,140.06/605,564.10
  6. Step 6: Final answer
    x = 552,984.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.