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Finding the Fourth Proportional to 370,483.04, 511,290.16 and 227,223.56

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Solution

The fourth proportional to 370,483.04, 511,290.16 and 227,223.56 is: 313,582.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,483.04 : 511,290.16 = 227,223.56 : x
  2. Step 2: Convert to fraction form
    370,483.04/511,290.16 = 227,223.56/x
  3. Step 3: Cross multiply
    370,483.04x = 511,290.16 × 227,223.56
  4. Step 4: Simplify right side
    370,483.04x = 116,177,170,348.17
  5. Step 5: Solve for x
    x = 116,177,170,348.17/370,483.04
  6. Step 6: Final answer
    x = 313,582.97

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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.