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Finding the Fourth Proportional to 345,673.12, 476,758.48 and 224,853.01

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Solution

The fourth proportional to 345,673.12, 476,758.48 and 224,853.01 is: 310,121.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,673.12 : 476,758.48 = 224,853.01 : x
  2. Step 2: Convert to fraction form
    345,673.12/476,758.48 = 224,853.01/x
  3. Step 3: Cross multiply
    345,673.12x = 476,758.48 × 224,853.01
  4. Step 4: Simplify right side
    345,673.12x = 107,200,579,271.03
  5. Step 5: Solve for x
    x = 107,200,579,271.03/345,673.12
  6. Step 6: Final answer
    x = 310,121.25

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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.