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Finding the Fourth Proportional to 2,953,152, 4,430,467.84 and 851,904

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Solution

The fourth proportional to 2,953,152, 4,430,467.84 and 851,904 is: 1,278,069.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,953,152 : 4,430,467.84 = 851,904 : x
  2. Step 2: Convert to fraction form
    2,953,152/4,430,467.84 = 851,904/x
  3. Step 3: Cross multiply
    2,953,152x = 4,430,467.84 × 851,904
  4. Step 4: Simplify right side
    2,953,152x = 3,774,333,274,767.36
  5. Step 5: Solve for x
    x = 3,774,333,274,767.36/2,953,152
  6. Step 6: Final answer
    x = 1,278,069.42

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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.