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Finding the Fourth Proportional to 659,644.29, 910,329.44 and 373,158.63

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Solution

The fourth proportional to 659,644.29, 910,329.44 and 373,158.63 is: 514,970.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,644.29 : 910,329.44 = 373,158.63 : x
  2. Step 2: Convert to fraction form
    659,644.29/910,329.44 = 373,158.63/x
  3. Step 3: Cross multiply
    659,644.29x = 910,329.44 × 373,158.63
  4. Step 4: Simplify right side
    659,644.29x = 339,697,284,813.27
  5. Step 5: Solve for x
    x = 339,697,284,813.27/659,644.29
  6. Step 6: Final answer
    x = 514,970.40

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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.