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Finding the Fourth Proportional to 329,048.80, 459,735.20 and 329,048.80

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Solution

The fourth proportional to 329,048.80, 459,735.20 and 329,048.80 is: 459,735.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,048.80 : 459,735.20 = 329,048.80 : x
  2. Step 2: Convert to fraction form
    329,048.80/459,735.20 = 329,048.80/x
  3. Step 3: Cross multiply
    329,048.80x = 459,735.20 × 329,048.80
  4. Step 4: Simplify right side
    329,048.80x = 151,275,315,877.76
  5. Step 5: Solve for x
    x = 151,275,315,877.76/329,048.80
  6. Step 6: Final answer
    x = 459,735.20

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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.