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Finding the Fourth Proportional to 377,460.94, 520,899.74 and 207,698.71

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Solution

The fourth proportional to 377,460.94, 520,899.74 and 207,698.71 is: 286,626.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,460.94 : 520,899.74 = 207,698.71 : x
  2. Step 2: Convert to fraction form
    377,460.94/520,899.74 = 207,698.71/x
  3. Step 3: Cross multiply
    377,460.94x = 520,899.74 × 207,698.71
  4. Step 4: Simplify right side
    377,460.94x = 108,190,202,475.46
  5. Step 5: Solve for x
    x = 108,190,202,475.46/377,460.94
  6. Step 6: Final answer
    x = 286,626.22

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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.