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Finding the Fourth Proportional to 1,095,738, 1,643,607 and 297,019.55

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Solution

The fourth proportional to 1,095,738, 1,643,607 and 297,019.55 is: 445,529.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095,738 : 1,643,607 = 297,019.55 : x
  2. Step 2: Convert to fraction form
    1,095,738/1,643,607 = 297,019.55/x
  3. Step 3: Cross multiply
    1,095,738x = 1,643,607 × 297,019.55
  4. Step 4: Simplify right side
    1,095,738x = 488,183,403,298.82
  5. Step 5: Solve for x
    x = 488,183,403,298.82/1,095,738
  6. Step 6: Final answer
    x = 445,529.32

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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.