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Finding the Fourth Proportional to 469,575.72, 704,337.66 and 343,345.32

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Solution

The fourth proportional to 469,575.72, 704,337.66 and 343,345.32 is: 514,999.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,575.72 : 704,337.66 = 343,345.32 : x
  2. Step 2: Convert to fraction form
    469,575.72/704,337.66 = 343,345.32/x
  3. Step 3: Cross multiply
    469,575.72x = 704,337.66 × 343,345.32
  4. Step 4: Simplify right side
    469,575.72x = 241,831,039,260.75
  5. Step 5: Solve for x
    x = 241,831,039,260.75/469,575.72
  6. Step 6: Final answer
    x = 514,999.03

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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.