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Finding the Fourth Proportional to 722,126.00, 996,568.11 and 435,639.94

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Solution

The fourth proportional to 722,126.00, 996,568.11 and 435,639.94 is: 601,203.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,126.00 : 996,568.11 = 435,639.94 : x
  2. Step 2: Convert to fraction form
    722,126.00/996,568.11 = 435,639.94/x
  3. Step 3: Cross multiply
    722,126.00x = 996,568.11 × 435,639.94
  4. Step 4: Simplify right side
    722,126.00x = 434,144,869,154.89
  5. Step 5: Solve for x
    x = 434,144,869,154.89/722,126.00
  6. Step 6: Final answer
    x = 601,203.76

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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.