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Finding the Fourth Proportional to 303,612.10, 455,418.15 and 233,628.10

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Solution

The fourth proportional to 303,612.10, 455,418.15 and 233,628.10 is: 350,442.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,612.10 : 455,418.15 = 233,628.10 : x
  2. Step 2: Convert to fraction form
    303,612.10/455,418.15 = 233,628.10/x
  3. Step 3: Cross multiply
    303,612.10x = 455,418.15 × 233,628.10
  4. Step 4: Simplify right side
    303,612.10x = 106,398,477,090.02
  5. Step 5: Solve for x
    x = 106,398,477,090.02/303,612.10
  6. Step 6: Final answer
    x = 350,442.15

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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.