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Finding the Fourth Proportional to 334,386.48, 501,315.84 and 165,790.56

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Solution

The fourth proportional to 334,386.48, 501,315.84 and 165,790.56 is: 248,555.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,386.48 : 501,315.84 = 165,790.56 : x
  2. Step 2: Convert to fraction form
    334,386.48/501,315.84 = 165,790.56/x
  3. Step 3: Cross multiply
    334,386.48x = 501,315.84 × 165,790.56
  4. Step 4: Simplify right side
    334,386.48x = 83,113,433,850.47
  5. Step 5: Solve for x
    x = 83,113,433,850.47/334,386.48
  6. Step 6: Final answer
    x = 248,555.01

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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.