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Finding the Fourth Proportional to 659,512, 910,126.62 and 373,025.92

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Solution

The fourth proportional to 659,512, 910,126.62 and 373,025.92 is: 514,775.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,512 : 910,126.62 = 373,025.92 : x
  2. Step 2: Convert to fraction form
    659,512/910,126.62 = 373,025.92/x
  3. Step 3: Cross multiply
    659,512x = 910,126.62 × 373,025.92
  4. Step 4: Simplify right side
    659,512x = 339,500,819,741.99
  5. Step 5: Solve for x
    x = 339,500,819,741.99/659,512
  6. Step 6: Final answer
    x = 514,775.80

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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.