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Finding the Fourth Proportional to 556,052.08, 767,352.22 and 301,403.28

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Solution

The fourth proportional to 556,052.08, 767,352.22 and 301,403.28 is: 415,936.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,052.08 : 767,352.22 = 301,403.28 : x
  2. Step 2: Convert to fraction form
    556,052.08/767,352.22 = 301,403.28/x
  3. Step 3: Cross multiply
    556,052.08x = 767,352.22 × 301,403.28
  4. Step 4: Simplify right side
    556,052.08x = 231,282,476,023.28
  5. Step 5: Solve for x
    x = 231,282,476,023.28/556,052.08
  6. Step 6: Final answer
    x = 415,936.72

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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.