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Finding the Fourth Proportional to 1,835,245.94, 2,748,675.69 and 876,373.18

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Solution

The fourth proportional to 1,835,245.94, 2,748,675.69 and 876,373.18 is: 1,312,557.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,835,245.94 : 2,748,675.69 = 876,373.18 : x
  2. Step 2: Convert to fraction form
    1,835,245.94/2,748,675.69 = 876,373.18/x
  3. Step 3: Cross multiply
    1,835,245.94x = 2,748,675.69 × 876,373.18
  4. Step 4: Simplify right side
    1,835,245.94x = 2,408,865,648,362.30
  5. Step 5: Solve for x
    x = 2,408,865,648,362.30/1,835,245.94
  6. Step 6: Final answer
    x = 1,312,557.41

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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.