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Finding the Fourth Proportional to 668,737.05, 922,857.08 and 382,263.27

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Solution

The fourth proportional to 668,737.05, 922,857.08 and 382,263.27 is: 527,523.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,737.05 : 922,857.08 = 382,263.27 : x
  2. Step 2: Convert to fraction form
    668,737.05/922,857.08 = 382,263.27/x
  3. Step 3: Cross multiply
    668,737.05x = 922,857.08 × 382,263.27
  4. Step 4: Simplify right side
    668,737.05x = 352,774,363,232.14
  5. Step 5: Solve for x
    x = 352,774,363,232.14/668,737.05
  6. Step 6: Final answer
    x = 527,523.28

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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.