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Finding the Fourth Proportional to 404,704.27, 558,492.72 and 223,416.45

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Solution

The fourth proportional to 404,704.27, 558,492.72 and 223,416.45 is: 308,315.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,704.27 : 558,492.72 = 223,416.45 : x
  2. Step 2: Convert to fraction form
    404,704.27/558,492.72 = 223,416.45/x
  3. Step 3: Cross multiply
    404,704.27x = 558,492.72 × 223,416.45
  4. Step 4: Simplify right side
    404,704.27x = 124,776,460,853.24
  5. Step 5: Solve for x
    x = 124,776,460,853.24/404,704.27
  6. Step 6: Final answer
    x = 308,315.16

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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.