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Finding the Fourth Proportional to 471,810.79, 707,016.34 and 346,539.43

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Solution

The fourth proportional to 471,810.79, 707,016.34 and 346,539.43 is: 519,295.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,810.79 : 707,016.34 = 346,539.43 : x
  2. Step 2: Convert to fraction form
    471,810.79/707,016.34 = 346,539.43/x
  3. Step 3: Cross multiply
    471,810.79x = 707,016.34 × 346,539.43
  4. Step 4: Simplify right side
    471,810.79x = 245,009,039,464.29
  5. Step 5: Solve for x
    x = 245,009,039,464.29/471,810.79
  6. Step 6: Final answer
    x = 519,295.12

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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.