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Finding the Fourth Proportional to 328,560.45, 460,917.75 and 328,560.45

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Solution

The fourth proportional to 328,560.45, 460,917.75 and 328,560.45 is: 460,917.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,560.45 : 460,917.75 = 328,560.45 : x
  2. Step 2: Convert to fraction form
    328,560.45/460,917.75 = 328,560.45/x
  3. Step 3: Cross multiply
    328,560.45x = 460,917.75 × 328,560.45
  4. Step 4: Simplify right side
    328,560.45x = 151,439,343,352.99
  5. Step 5: Solve for x
    x = 151,439,343,352.99/328,560.45
  6. Step 6: Final answer
    x = 460,917.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.