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Finding the Fourth Proportional to 601,389.15, 829,916.95 and 359,671.68

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Solution

The fourth proportional to 601,389.15, 829,916.95 and 359,671.68 is: 496,346.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,389.15 : 829,916.95 = 359,671.68 : x
  2. Step 2: Convert to fraction form
    601,389.15/829,916.95 = 359,671.68/x
  3. Step 3: Cross multiply
    601,389.15x = 829,916.95 × 359,671.68
  4. Step 4: Simplify right side
    601,389.15x = 298,497,623,666.98
  5. Step 5: Solve for x
    x = 298,497,623,666.98/601,389.15
  6. Step 6: Final answer
    x = 496,346.87

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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.