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Finding the Fourth Proportional to 328,816.60, 460,809.80 and 328,816.60

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Solution

The fourth proportional to 328,816.60, 460,809.80 and 328,816.60 is: 460,809.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,816.60 : 460,809.80 = 328,816.60 : x
  2. Step 2: Convert to fraction form
    328,816.60/460,809.80 = 328,816.60/x
  3. Step 3: Cross multiply
    328,816.60x = 460,809.80 × 328,816.60
  4. Step 4: Simplify right side
    328,816.60x = 151,521,911,682.68
  5. Step 5: Solve for x
    x = 151,521,911,682.68/328,816.60
  6. Step 6: Final answer
    x = 460,809.80

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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.