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Finding the Fourth Proportional to 370,518.12, 511,315.13 and 200,752.25

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Solution

The fourth proportional to 370,518.12, 511,315.13 and 200,752.25 is: 277,038.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,518.12 : 511,315.13 = 200,752.25 : x
  2. Step 2: Convert to fraction form
    370,518.12/511,315.13 = 200,752.25/x
  3. Step 3: Cross multiply
    370,518.12x = 511,315.13 × 200,752.25
  4. Step 4: Simplify right side
    370,518.12x = 102,647,662,189.92
  5. Step 5: Solve for x
    x = 102,647,662,189.92/370,518.12
  6. Step 6: Final answer
    x = 277,038.17

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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.