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Finding the Fourth Proportional to 882,323.75, 1,323,485.76 and 217,475.75

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Solution

The fourth proportional to 882,323.75, 1,323,485.76 and 217,475.75 is: 326,213.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,323.75 : 1,323,485.76 = 217,475.75 : x
  2. Step 2: Convert to fraction form
    882,323.75/1,323,485.76 = 217,475.75/x
  3. Step 3: Cross multiply
    882,323.75x = 1,323,485.76 × 217,475.75
  4. Step 4: Simplify right side
    882,323.75x = 287,826,058,270.32
  5. Step 5: Solve for x
    x = 287,826,058,270.32/882,323.75
  6. Step 6: Final answer
    x = 326,213.66

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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.