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Finding the Fourth Proportional to 369,612.40, 554,418.60 and 332,287.60

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Solution

The fourth proportional to 369,612.40, 554,418.60 and 332,287.60 is: 498,431.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,612.40 : 554,418.60 = 332,287.60 : x
  2. Step 2: Convert to fraction form
    369,612.40/554,418.60 = 332,287.60/x
  3. Step 3: Cross multiply
    369,612.40x = 554,418.60 × 332,287.60
  4. Step 4: Simplify right side
    369,612.40x = 184,226,425,989.36
  5. Step 5: Solve for x
    x = 184,226,425,989.36/369,612.40
  6. Step 6: Final answer
    x = 498,431.40

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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.