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Finding the Fourth Proportional to 346,309.34, 519,783.32 and 175,650.82

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Solution

The fourth proportional to 346,309.34, 519,783.32 and 175,650.82 is: 263,638.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,309.34 : 519,783.32 = 175,650.82 : x
  2. Step 2: Convert to fraction form
    346,309.34/519,783.32 = 175,650.82/x
  3. Step 3: Cross multiply
    346,309.34x = 519,783.32 × 175,650.82
  4. Step 4: Simplify right side
    346,309.34x = 91,300,365,519.99
  5. Step 5: Solve for x
    x = 91,300,365,519.99/346,309.34
  6. Step 6: Final answer
    x = 263,638.19

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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.