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Finding the Fourth Proportional to 580,783.37, 869,309.69 and 310,235.00

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Solution

The fourth proportional to 580,783.37, 869,309.69 and 310,235.00 is: 464,356.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,783.37 : 869,309.69 = 310,235.00 : x
  2. Step 2: Convert to fraction form
    580,783.37/869,309.69 = 310,235.00/x
  3. Step 3: Cross multiply
    580,783.37x = 869,309.69 × 310,235.00
  4. Step 4: Simplify right side
    580,783.37x = 269,690,285,779.43
  5. Step 5: Solve for x
    x = 269,690,285,779.43/580,783.37
  6. Step 6: Final answer
    x = 464,356.08

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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.