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Finding the Fourth Proportional to 702,807.10, 969,477.86 and 444,603.94

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Solution

The fourth proportional to 702,807.10, 969,477.86 and 444,603.94 is: 613,302.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,807.10 : 969,477.86 = 444,603.94 : x
  2. Step 2: Convert to fraction form
    702,807.10/969,477.86 = 444,603.94/x
  3. Step 3: Cross multiply
    702,807.10x = 969,477.86 × 444,603.94
  4. Step 4: Simplify right side
    702,807.10x = 431,033,676,298.77
  5. Step 5: Solve for x
    x = 431,033,676,298.77/702,807.10
  6. Step 6: Final answer
    x = 613,302.96

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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.