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Finding the Fourth Proportional to 347,530.01, 521,371.43 and 197,840.39

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Solution

The fourth proportional to 347,530.01, 521,371.43 and 197,840.39 is: 296,804.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,530.01 : 521,371.43 = 197,840.39 : x
  2. Step 2: Convert to fraction form
    347,530.01/521,371.43 = 197,840.39/x
  3. Step 3: Cross multiply
    347,530.01x = 521,371.43 × 197,840.39
  4. Step 4: Simplify right side
    347,530.01x = 103,148,326,056.86
  5. Step 5: Solve for x
    x = 103,148,326,056.86/347,530.01
  6. Step 6: Final answer
    x = 296,804.08

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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.