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Finding the Fourth Proportional to 556,302.63, 834,519.11 and 177,090.50

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Solution

The fourth proportional to 556,302.63, 834,519.11 and 177,090.50 is: 265,656.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,302.63 : 834,519.11 = 177,090.50 : x
  2. Step 2: Convert to fraction form
    556,302.63/834,519.11 = 177,090.50/x
  3. Step 3: Cross multiply
    556,302.63x = 834,519.11 × 177,090.50
  4. Step 4: Simplify right side
    556,302.63x = 147,785,407,650.30
  5. Step 5: Solve for x
    x = 147,785,407,650.30/556,302.63
  6. Step 6: Final answer
    x = 265,656.49

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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.