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Finding the Fourth Proportional to 317,546.93, 476,220.01 and 104,279.69

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Solution

The fourth proportional to 317,546.93, 476,220.01 and 104,279.69 is: 156,386.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,546.93 : 476,220.01 = 104,279.69 : x
  2. Step 2: Convert to fraction form
    317,546.93/476,220.01 = 104,279.69/x
  3. Step 3: Cross multiply
    317,546.93x = 476,220.01 × 104,279.69
  4. Step 4: Simplify right side
    317,546.93x = 49,660,075,014.60
  5. Step 5: Solve for x
    x = 49,660,075,014.60/317,546.93
  6. Step 6: Final answer
    x = 156,386.57

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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.