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Finding the Fourth Proportional to 484,696.95, 668,784.06 and 293,599.32

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Solution

The fourth proportional to 484,696.95, 668,784.06 and 293,599.32 is: 405,107.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,696.95 : 668,784.06 = 293,599.32 : x
  2. Step 2: Convert to fraction form
    484,696.95/668,784.06 = 293,599.32/x
  3. Step 3: Cross multiply
    484,696.95x = 668,784.06 × 293,599.32
  4. Step 4: Simplify right side
    484,696.95x = 196,354,545,242.84
  5. Step 5: Solve for x
    x = 196,354,545,242.84/484,696.95
  6. Step 6: Final answer
    x = 405,107.86

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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.