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Finding the Fourth Proportional to 370,612.12, 511,445.16 and 200,846.24

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Solution

The fourth proportional to 370,612.12, 511,445.16 and 200,846.24 is: 277,168.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,612.12 : 511,445.16 = 200,846.24 : x
  2. Step 2: Convert to fraction form
    370,612.12/511,445.16 = 200,846.24/x
  3. Step 3: Cross multiply
    370,612.12x = 511,445.16 × 200,846.24
  4. Step 4: Simplify right side
    370,612.12x = 102,721,838,630.81
  5. Step 5: Solve for x
    x = 102,721,838,630.81/370,612.12
  6. Step 6: Final answer
    x = 277,168.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.