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Finding the Fourth Proportional to 541,602.03, 812,099.31 and 371,016.48

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Solution

The fourth proportional to 541,602.03, 812,099.31 and 371,016.48 is: 556,316.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,602.03 : 812,099.31 = 371,016.48 : x
  2. Step 2: Convert to fraction form
    541,602.03/812,099.31 = 371,016.48/x
  3. Step 3: Cross multiply
    541,602.03x = 812,099.31 × 371,016.48
  4. Step 4: Simplify right side
    541,602.03x = 301,302,224,145.53
  5. Step 5: Solve for x
    x = 301,302,224,145.53/541,602.03
  6. Step 6: Final answer
    x = 556,316.65

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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.