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Finding the Fourth Proportional to 277,303.17, 415,954.77 and 90,314.67

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Solution

The fourth proportional to 277,303.17, 415,954.77 and 90,314.67 is: 135,472.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,303.17 : 415,954.77 = 90,314.67 : x
  2. Step 2: Convert to fraction form
    277,303.17/415,954.77 = 90,314.67/x
  3. Step 3: Cross multiply
    277,303.17x = 415,954.77 × 90,314.67
  4. Step 4: Simplify right side
    277,303.17x = 37,566,819,008.63
  5. Step 5: Solve for x
    x = 37,566,819,008.63/277,303.17
  6. Step 6: Final answer
    x = 135,472.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.