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Finding the Fourth Proportional to 651,446.96, 898,991.40 and 364,969.76

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Solution

The fourth proportional to 651,446.96, 898,991.40 and 364,969.76 is: 503,655.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,446.96 : 898,991.40 = 364,969.76 : x
  2. Step 2: Convert to fraction form
    651,446.96/898,991.40 = 364,969.76/x
  3. Step 3: Cross multiply
    651,446.96x = 898,991.40 × 364,969.76
  4. Step 4: Simplify right side
    651,446.96x = 328,104,675,500.06
  5. Step 5: Solve for x
    x = 328,104,675,500.06/651,446.96
  6. Step 6: Final answer
    x = 503,655.24

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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.