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Finding the Fourth Proportional to 555,834.98, 767,054.94 and 301,186.64

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Solution

The fourth proportional to 555,834.98, 767,054.94 and 301,186.64 is: 415,639.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,834.98 : 767,054.94 = 301,186.64 : x
  2. Step 2: Convert to fraction form
    555,834.98/767,054.94 = 301,186.64/x
  3. Step 3: Cross multiply
    555,834.98x = 767,054.94 × 301,186.64
  4. Step 4: Simplify right side
    555,834.98x = 231,026,700,074.00
  5. Step 5: Solve for x
    x = 231,026,700,074.00/555,834.98
  6. Step 6: Final answer
    x = 415,639.01

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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.