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Finding the Fourth Proportional to 668,759.04, 1,003,232.64 and 195,480

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Solution

The fourth proportional to 668,759.04, 1,003,232.64 and 195,480 is: 293,247.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,759.04 : 1,003,232.64 = 195,480 : x
  2. Step 2: Convert to fraction form
    668,759.04/1,003,232.64 = 195,480/x
  3. Step 3: Cross multiply
    668,759.04x = 1,003,232.64 × 195,480
  4. Step 4: Simplify right side
    668,759.04x = 196,111,916,467.20
  5. Step 5: Solve for x
    x = 196,111,916,467.20/668,759.04
  6. Step 6: Final answer
    x = 293,247.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.