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Finding the Fourth Proportional to 370,304.80, 511,018.08 and 200,535.04

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Solution

The fourth proportional to 370,304.80, 511,018.08 and 200,535.04 is: 276,736.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,304.80 : 511,018.08 = 200,535.04 : x
  2. Step 2: Convert to fraction form
    370,304.80/511,018.08 = 200,535.04/x
  3. Step 3: Cross multiply
    370,304.80x = 511,018.08 × 200,535.04
  4. Step 4: Simplify right side
    370,304.80x = 102,477,031,113.52
  5. Step 5: Solve for x
    x = 102,477,031,113.52/370,304.80
  6. Step 6: Final answer
    x = 276,736.98

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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.