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Finding the Fourth Proportional to 1,301,965.20, 1,795,512.96 and 893,346.12

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Solution

The fourth proportional to 1,301,965.20, 1,795,512.96 and 893,346.12 is: 1,231,994.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301,965.20 : 1,795,512.96 = 893,346.12 : x
  2. Step 2: Convert to fraction form
    1,301,965.20/1,795,512.96 = 893,346.12/x
  3. Step 3: Cross multiply
    1,301,965.20x = 1,795,512.96 × 893,346.12
  4. Step 4: Simplify right side
    1,301,965.20x = 1,604,014,536,225.72
  5. Step 5: Solve for x
    x = 1,604,014,536,225.72/1,301,965.20
  6. Step 6: Final answer
    x = 1,231,994.94

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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.