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Finding the Fourth Proportional to 556,058.44, 767,340.08 and 301,404.16

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Solution

The fourth proportional to 556,058.44, 767,340.08 and 301,404.16 is: 415,926.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,058.44 : 767,340.08 = 301,404.16 : x
  2. Step 2: Convert to fraction form
    556,058.44/767,340.08 = 301,404.16/x
  3. Step 3: Cross multiply
    556,058.44x = 767,340.08 × 301,404.16
  4. Step 4: Simplify right side
    556,058.44x = 231,279,486,903.01
  5. Step 5: Solve for x
    x = 231,279,486,903.01/556,058.44
  6. Step 6: Final answer
    x = 415,926.59

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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.