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Finding the Fourth Proportional to 491,039.01, 736,262.06 and 191,462.13

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Solution

The fourth proportional to 491,039.01, 736,262.06 and 191,462.13 is: 287,077.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,039.01 : 736,262.06 = 191,462.13 : x
  2. Step 2: Convert to fraction form
    491,039.01/736,262.06 = 191,462.13/x
  3. Step 3: Cross multiply
    491,039.01x = 736,262.06 × 191,462.13
  4. Step 4: Simplify right side
    491,039.01x = 140,966,301,288.48
  5. Step 5: Solve for x
    x = 140,966,301,288.48/491,039.01
  6. Step 6: Final answer
    x = 287,077.60

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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.