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Finding the Fourth Proportional to 328,317.01, 492,490.59 and 100,596.31

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Solution

The fourth proportional to 328,317.01, 492,490.59 and 100,596.31 is: 150,899.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,317.01 : 492,490.59 = 100,596.31 : x
  2. Step 2: Convert to fraction form
    328,317.01/492,490.59 = 100,596.31/x
  3. Step 3: Cross multiply
    328,317.01x = 492,490.59 × 100,596.31
  4. Step 4: Simplify right side
    328,317.01x = 49,542,736,063.72
  5. Step 5: Solve for x
    x = 49,542,736,063.72/328,317.01
  6. Step 6: Final answer
    x = 150,899.08

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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.