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Finding the Fourth Proportional to 368,584.50, 508,523.86 and 300,484.06

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Solution

The fourth proportional to 368,584.50, 508,523.86 and 300,484.06 is: 414,567.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,584.50 : 508,523.86 = 300,484.06 : x
  2. Step 2: Convert to fraction form
    368,584.50/508,523.86 = 300,484.06/x
  3. Step 3: Cross multiply
    368,584.50x = 508,523.86 × 300,484.06
  4. Step 4: Simplify right side
    368,584.50x = 152,803,314,059.67
  5. Step 5: Solve for x
    x = 152,803,314,059.67/368,584.50
  6. Step 6: Final answer
    x = 414,567.93

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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.