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Finding the Fourth Proportional to 3,570,658.79, 4,929,323.91 and 2,265,244.30

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Solution

The fourth proportional to 3,570,658.79, 4,929,323.91 and 2,265,244.30 is: 3,127,188.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,570,658.79 : 4,929,323.91 = 2,265,244.30 : x
  2. Step 2: Convert to fraction form
    3,570,658.79/4,929,323.91 = 2,265,244.30/x
  3. Step 3: Cross multiply
    3,570,658.79x = 4,929,323.91 × 2,265,244.30
  4. Step 4: Simplify right side
    3,570,658.79x = 11,166,122,887,648.20
  5. Step 5: Solve for x
    x = 11,166,122,887,648.20/3,570,658.79
  6. Step 6: Final answer
    x = 3,127,188.44

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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.