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Finding the Fourth Proportional to 555,852.16, 767,074.62 and 301,207.60

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Solution

The fourth proportional to 555,852.16, 767,074.62 and 301,207.60 is: 415,665.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,852.16 : 767,074.62 = 301,207.60 : x
  2. Step 2: Convert to fraction form
    555,852.16/767,074.62 = 301,207.60/x
  3. Step 3: Cross multiply
    555,852.16x = 767,074.62 × 301,207.60
  4. Step 4: Simplify right side
    555,852.16x = 231,048,705,311.11
  5. Step 5: Solve for x
    x = 231,048,705,311.11/555,852.16
  6. Step 6: Final answer
    x = 415,665.75

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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.