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Finding the Fourth Proportional to 347,352.51, 521,028.75 and 98,034.51

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Solution

The fourth proportional to 347,352.51, 521,028.75 and 98,034.51 is: 147,051.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,352.51 : 521,028.75 = 98,034.51 : x
  2. Step 2: Convert to fraction form
    347,352.51/521,028.75 = 98,034.51/x
  3. Step 3: Cross multiply
    347,352.51x = 521,028.75 × 98,034.51
  4. Step 4: Simplify right side
    347,352.51x = 51,078,798,202.16
  5. Step 5: Solve for x
    x = 51,078,798,202.16/347,352.51
  6. Step 6: Final answer
    x = 147,051.76

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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.