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Finding the Fourth Proportional to 601,742.36, 901,178.76 and 348,487.76

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Solution

The fourth proportional to 601,742.36, 901,178.76 and 348,487.76 is: 521,900.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,742.36 : 901,178.76 = 348,487.76 : x
  2. Step 2: Convert to fraction form
    601,742.36/901,178.76 = 348,487.76/x
  3. Step 3: Cross multiply
    601,742.36x = 901,178.76 × 348,487.76
  4. Step 4: Simplify right side
    601,742.36x = 314,049,767,431.98
  5. Step 5: Solve for x
    x = 314,049,767,431.98/601,742.36
  6. Step 6: Final answer
    x = 521,900.71

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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.