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Finding the Fourth Proportional to 666,450.24, 919,698.54 and 360,525.85

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Solution

The fourth proportional to 666,450.24, 919,698.54 and 360,525.85 is: 497,524.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,450.24 : 919,698.54 = 360,525.85 : x
  2. Step 2: Convert to fraction form
    666,450.24/919,698.54 = 360,525.85/x
  3. Step 3: Cross multiply
    666,450.24x = 919,698.54 × 360,525.85
  4. Step 4: Simplify right side
    666,450.24x = 331,575,097,877.26
  5. Step 5: Solve for x
    x = 331,575,097,877.26/666,450.24
  6. Step 6: Final answer
    x = 497,524.16

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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.