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Finding the Fourth Proportional to 651,474.95, 899,072.19 and 365,087.30

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Solution

The fourth proportional to 651,474.95, 899,072.19 and 365,087.30 is: 503,841.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,474.95 : 899,072.19 = 365,087.30 : x
  2. Step 2: Convert to fraction form
    651,474.95/899,072.19 = 365,087.30/x
  3. Step 3: Cross multiply
    651,474.95x = 899,072.19 × 365,087.30
  4. Step 4: Simplify right side
    651,474.95x = 328,239,833,856.83
  5. Step 5: Solve for x
    x = 328,239,833,856.83/651,474.95
  6. Step 6: Final answer
    x = 503,841.07

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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.