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Finding the Fourth Proportional to 1,166,904.80, 1,751,669.40 and 901,840.40

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Solution

The fourth proportional to 1,166,904.80, 1,751,669.40 and 901,840.40 is: 1,353,774.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166,904.80 : 1,751,669.40 = 901,840.40 : x
  2. Step 2: Convert to fraction form
    1,166,904.80/1,751,669.40 = 901,840.40/x
  3. Step 3: Cross multiply
    1,166,904.80x = 1,751,669.40 × 901,840.40
  4. Step 4: Simplify right side
    1,166,904.80x = 1,579,726,232,363.76
  5. Step 5: Solve for x
    x = 1,579,726,232,363.76/1,166,904.80
  6. Step 6: Final answer
    x = 1,353,774.73

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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.