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Finding the Fourth Proportional to 651,466.56, 899,060.81 and 365,078.91

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Solution

The fourth proportional to 651,466.56, 899,060.81 and 365,078.91 is: 503,829.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,466.56 : 899,060.81 = 365,078.91 : x
  2. Step 2: Convert to fraction form
    651,466.56/899,060.81 = 365,078.91/x
  3. Step 3: Cross multiply
    651,466.56x = 899,060.81 × 365,078.91
  4. Step 4: Simplify right side
    651,466.56x = 328,228,140,538.52
  5. Step 5: Solve for x
    x = 328,228,140,538.52/651,466.56
  6. Step 6: Final answer
    x = 503,829.61

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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.