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Finding the Fourth Proportional to 333,191,324.22, 499,978,358.28 and 260,203,217.28

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Solution

The fourth proportional to 333,191,324.22, 499,978,358.28 and 260,203,217.28 is: 390,454,276.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,191,324.22 : 499,978,358.28 = 260,203,217.28 : x
  2. Step 2: Convert to fraction form
    333,191,324.22/499,978,358.28 = 260,203,217.28/x
  3. Step 3: Cross multiply
    333,191,324.22x = 499,978,358.28 × 260,203,217.28
  4. Step 4: Simplify right side
    333,191,324.22x = 130,095,977,394,828,528
  5. Step 5: Solve for x
    x = 130,095,977,394,828,528/333,191,324.22
  6. Step 6: Final answer
    x = 390,454,276.38

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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.