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Finding the Fourth Proportional to 668,343, 922,313.34 and 366,537

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Solution

The fourth proportional to 668,343, 922,313.34 and 366,537 is: 505,821.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,343 : 922,313.34 = 366,537 : x
  2. Step 2: Convert to fraction form
    668,343/922,313.34 = 366,537/x
  3. Step 3: Cross multiply
    668,343x = 922,313.34 × 366,537
  4. Step 4: Simplify right side
    668,343x = 338,061,964,703.58
  5. Step 5: Solve for x
    x = 338,061,964,703.58/668,343
  6. Step 6: Final answer
    x = 505,821.06

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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.