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Finding the Fourth Proportional to 348,134.63, 480,583.16 and 219,262.50

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Solution

The fourth proportional to 348,134.63, 480,583.16 and 219,262.50 is: 302,681.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,134.63 : 480,583.16 = 219,262.50 : x
  2. Step 2: Convert to fraction form
    348,134.63/480,583.16 = 219,262.50/x
  3. Step 3: Cross multiply
    348,134.63x = 480,583.16 × 219,262.50
  4. Step 4: Simplify right side
    348,134.63x = 105,373,865,667.66
  5. Step 5: Solve for x
    x = 105,373,865,667.66/348,134.63
  6. Step 6: Final answer
    x = 302,681.37

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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.