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Finding the Fourth Proportional to 575,336.75, 863,005.73 and 310,779.41

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Solution

The fourth proportional to 575,336.75, 863,005.73 and 310,779.41 is: 466,169.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,336.75 : 863,005.73 = 310,779.41 : x
  2. Step 2: Convert to fraction form
    575,336.75/863,005.73 = 310,779.41/x
  3. Step 3: Cross multiply
    575,336.75x = 863,005.73 × 310,779.41
  4. Step 4: Simplify right side
    575,336.75x = 268,204,405,727.09
  5. Step 5: Solve for x
    x = 268,204,405,727.09/575,336.75
  6. Step 6: Final answer
    x = 466,169.44

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1.5x scale

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.