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Finding the Fourth Proportional to 367,582.60, 515,665.40 and 367,582.60

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Solution

The fourth proportional to 367,582.60, 515,665.40 and 367,582.60 is: 515,665.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,582.60 : 515,665.40 = 367,582.60 : x
  2. Step 2: Convert to fraction form
    367,582.60/515,665.40 = 367,582.60/x
  3. Step 3: Cross multiply
    367,582.60x = 515,665.40 × 367,582.60
  4. Step 4: Simplify right side
    367,582.60x = 189,549,628,462.04
  5. Step 5: Solve for x
    x = 189,549,628,462.04/367,582.60
  6. Step 6: Final answer
    x = 515,665.40

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.