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Finding the Fourth Proportional to 525,062.34, 724,676.46 and 304,268.67

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Solution

The fourth proportional to 525,062.34, 724,676.46 and 304,268.67 is: 419,943.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,062.34 : 724,676.46 = 304,268.67 : x
  2. Step 2: Convert to fraction form
    525,062.34/724,676.46 = 304,268.67/x
  3. Step 3: Cross multiply
    525,062.34x = 724,676.46 × 304,268.67
  4. Step 4: Simplify right side
    525,062.34x = 220,496,342,664.51
  5. Step 5: Solve for x
    x = 220,496,342,664.51/525,062.34
  6. Step 6: Final answer
    x = 419,943.17

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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.