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Finding the Fourth Proportional to 370,803, 555,874.59 and 134,093.07

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Solution

The fourth proportional to 370,803, 555,874.59 and 134,093.07 is: 201,020.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,803 : 555,874.59 = 134,093.07 : x
  2. Step 2: Convert to fraction form
    370,803/555,874.59 = 134,093.07/x
  3. Step 3: Cross multiply
    370,803x = 555,874.59 × 134,093.07
  4. Step 4: Simplify right side
    370,803x = 74,538,930,308.09
  5. Step 5: Solve for x
    x = 74,538,930,308.09/370,803
  6. Step 6: Final answer
    x = 201,020.30

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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.