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Finding the Fourth Proportional to 659,635.29, 910,317.02 and 373,149.63

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Solution

The fourth proportional to 659,635.29, 910,317.02 and 373,149.63 is: 514,957.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,635.29 : 910,317.02 = 373,149.63 : x
  2. Step 2: Convert to fraction form
    659,635.29/910,317.02 = 373,149.63/x
  3. Step 3: Cross multiply
    659,635.29x = 910,317.02 × 373,149.63
  4. Step 4: Simplify right side
    659,635.29x = 339,684,457,329.95
  5. Step 5: Solve for x
    x = 339,684,457,329.95/659,635.29
  6. Step 6: Final answer
    x = 514,957.98

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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.