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Finding the Fourth Proportional to 368,858.95, 509,260.77 and 301,037.95

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Solution

The fourth proportional to 368,858.95, 509,260.77 and 301,037.95 is: 415,624.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,858.95 : 509,260.77 = 301,037.95 : x
  2. Step 2: Convert to fraction form
    368,858.95/509,260.77 = 301,037.95/x
  3. Step 3: Cross multiply
    368,858.95x = 509,260.77 × 301,037.95
  4. Step 4: Simplify right side
    368,858.95x = 153,306,818,852.80
  5. Step 5: Solve for x
    x = 153,306,818,852.80/368,858.95
  6. Step 6: Final answer
    x = 415,624.51

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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.