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Finding the Fourth Proportional to 1,049,985.77, 1,574,978.66 and 600,391.26

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Solution

The fourth proportional to 1,049,985.77, 1,574,978.66 and 600,391.26 is: 900,586.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,985.77 : 1,574,978.66 = 600,391.26 : x
  2. Step 2: Convert to fraction form
    1,049,985.77/1,574,978.66 = 600,391.26/x
  3. Step 3: Cross multiply
    1,049,985.77x = 1,574,978.66 × 600,391.26
  4. Step 4: Simplify right side
    1,049,985.77x = 945,603,419,148.56
  5. Step 5: Solve for x
    x = 945,603,419,148.56/1,049,985.77
  6. Step 6: Final answer
    x = 900,586.89

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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.