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Finding the Fourth Proportional to 260,898.93, 360,765.27 and 207,090.54

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Solution

The fourth proportional to 260,898.93, 360,765.27 and 207,090.54 is: 286,360.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,898.93 : 360,765.27 = 207,090.54 : x
  2. Step 2: Convert to fraction form
    260,898.93/360,765.27 = 207,090.54/x
  3. Step 3: Cross multiply
    260,898.93x = 360,765.27 × 207,090.54
  4. Step 4: Simplify right side
    260,898.93x = 74,711,074,577.55
  5. Step 5: Solve for x
    x = 74,711,074,577.55/260,898.93
  6. Step 6: Final answer
    x = 286,360.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.