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Finding the Fourth Proportional to 377,029.69, 520,300.97 and 207,263.81

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Solution

The fourth proportional to 377,029.69, 520,300.97 and 207,263.81 is: 286,024.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,029.69 : 520,300.97 = 207,263.81 : x
  2. Step 2: Convert to fraction form
    377,029.69/520,300.97 = 207,263.81/x
  3. Step 3: Cross multiply
    377,029.69x = 520,300.97 × 207,263.81
  4. Step 4: Simplify right side
    377,029.69x = 107,839,562,430.57
  5. Step 5: Solve for x
    x = 107,839,562,430.57/377,029.69
  6. Step 6: Final answer
    x = 286,024.06

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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.