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Finding the Fourth Proportional to 651,381.79, 898,906.18 and 364,903.89

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Solution

The fourth proportional to 651,381.79, 898,906.18 and 364,903.89 is: 503,566.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,381.79 : 898,906.18 = 364,903.89 : x
  2. Step 2: Convert to fraction form
    651,381.79/898,906.18 = 364,903.89/x
  3. Step 3: Cross multiply
    651,381.79x = 898,906.18 × 364,903.89
  4. Step 4: Simplify right side
    651,381.79x = 328,014,361,827.04
  5. Step 5: Solve for x
    x = 328,014,361,827.04/651,381.79
  6. Step 6: Final answer
    x = 503,566.98

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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.