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Finding the Fourth Proportional to 556,367.36, 767,895.84 and 365,375.84

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Solution

The fourth proportional to 556,367.36, 767,895.84 and 365,375.84 is: 504,290.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,367.36 : 767,895.84 = 365,375.84 : x
  2. Step 2: Convert to fraction form
    556,367.36/767,895.84 = 365,375.84/x
  3. Step 3: Cross multiply
    556,367.36x = 767,895.84 × 365,375.84
  4. Step 4: Simplify right side
    556,367.36x = 280,570,587,572.51
  5. Step 5: Solve for x
    x = 280,570,587,572.51/556,367.36
  6. Step 6: Final answer
    x = 504,290.16

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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.