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Finding the Fourth Proportional to 474,866.81, 655,313.81 and 260,002.97

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Solution

The fourth proportional to 474,866.81, 655,313.81 and 260,002.97 is: 358,802.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,866.81 : 655,313.81 = 260,002.97 : x
  2. Step 2: Convert to fraction form
    474,866.81/655,313.81 = 260,002.97/x
  3. Step 3: Cross multiply
    474,866.81x = 655,313.81 × 260,002.97
  4. Step 4: Simplify right side
    474,866.81x = 170,383,535,582.00
  5. Step 5: Solve for x
    x = 170,383,535,582.00/474,866.81
  6. Step 6: Final answer
    x = 358,802.79

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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.