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Finding the Fourth Proportional to 575,337.94, 863,255.79 and 308,787.05

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Solution

The fourth proportional to 575,337.94, 863,255.79 and 308,787.05 is: 463,314.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,337.94 : 863,255.79 = 308,787.05 : x
  2. Step 2: Convert to fraction form
    575,337.94/863,255.79 = 308,787.05/x
  3. Step 3: Cross multiply
    575,337.94x = 863,255.79 × 308,787.05
  4. Step 4: Simplify right side
    575,337.94x = 266,562,210,947.66
  5. Step 5: Solve for x
    x = 266,562,210,947.66/575,337.94
  6. Step 6: Final answer
    x = 463,314.16

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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.