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Finding the Fourth Proportional to 468,421.54, 702,744.27 and 152,879.02

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Solution

The fourth proportional to 468,421.54, 702,744.27 and 152,879.02 is: 229,355.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,421.54 : 702,744.27 = 152,879.02 : x
  2. Step 2: Convert to fraction form
    468,421.54/702,744.27 = 152,879.02/x
  3. Step 3: Cross multiply
    468,421.54x = 702,744.27 × 152,879.02
  4. Step 4: Simplify right side
    468,421.54x = 107,434,855,308.22
  5. Step 5: Solve for x
    x = 107,434,855,308.22/468,421.54
  6. Step 6: Final answer
    x = 229,355.07

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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.