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Finding the Fourth Proportional to 555,894.04, 767,133.75 and 301,245.22

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Solution

The fourth proportional to 555,894.04, 767,133.75 and 301,245.22 is: 415,718.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,894.04 : 767,133.75 = 301,245.22 : x
  2. Step 2: Convert to fraction form
    555,894.04/767,133.75 = 301,245.22/x
  3. Step 3: Cross multiply
    555,894.04x = 767,133.75 × 301,245.22
  4. Step 4: Simplify right side
    555,894.04x = 231,095,375,288.18
  5. Step 5: Solve for x
    x = 231,095,375,288.18/555,894.04
  6. Step 6: Final answer
    x = 415,718.39

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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.