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Finding the Fourth Proportional to 369,071.44, 509,212.44 and 240,199.63

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Solution

The fourth proportional to 369,071.44, 509,212.44 and 240,199.63 is: 331,406.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,071.44 : 509,212.44 = 240,199.63 : x
  2. Step 2: Convert to fraction form
    369,071.44/509,212.44 = 240,199.63/x
  3. Step 3: Cross multiply
    369,071.44x = 509,212.44 × 240,199.63
  4. Step 4: Simplify right side
    369,071.44x = 122,312,638,406.37
  5. Step 5: Solve for x
    x = 122,312,638,406.37/369,071.44
  6. Step 6: Final answer
    x = 331,406.41

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1.5x scale

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.