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Finding the Fourth Proportional to 473,099.31, 709,857.27 and 248,407.47

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Solution

The fourth proportional to 473,099.31, 709,857.27 and 248,407.47 is: 372,720.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,099.31 : 709,857.27 = 248,407.47 : x
  2. Step 2: Convert to fraction form
    473,099.31/709,857.27 = 248,407.47/x
  3. Step 3: Cross multiply
    473,099.31x = 709,857.27 × 248,407.47
  4. Step 4: Simplify right side
    473,099.31x = 176,333,848,501.81
  5. Step 5: Solve for x
    x = 176,333,848,501.81/473,099.31
  6. Step 6: Final answer
    x = 372,720.58

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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.