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Finding the Fourth Proportional to 556,090.67, 834,200.87 and 201,271.79

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Solution

The fourth proportional to 556,090.67, 834,200.87 and 201,271.79 is: 301,931.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,090.67 : 834,200.87 = 201,271.79 : x
  2. Step 2: Convert to fraction form
    556,090.67/834,200.87 = 201,271.79/x
  3. Step 3: Cross multiply
    556,090.67x = 834,200.87 × 201,271.79
  4. Step 4: Simplify right side
    556,090.67x = 167,901,097,147.09
  5. Step 5: Solve for x
    x = 167,901,097,147.09/556,090.67
  6. Step 6: Final answer
    x = 301,931.16

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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.