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Finding the Fourth Proportional to 404,763.46, 558,574.32 and 223,475.74

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Solution

The fourth proportional to 404,763.46, 558,574.32 and 223,475.74 is: 308,396.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,763.46 : 558,574.32 = 223,475.74 : x
  2. Step 2: Convert to fraction form
    404,763.46/558,574.32 = 223,475.74/x
  3. Step 3: Cross multiply
    404,763.46x = 558,574.32 × 223,475.74
  4. Step 4: Simplify right side
    404,763.46x = 124,827,809,507.00
  5. Step 5: Solve for x
    x = 124,827,809,507.00/404,763.46
  6. Step 6: Final answer
    x = 308,396.93

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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.