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Finding the Fourth Proportional to 382,352.40, 573,010.20 and 255,632.40

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Solution

The fourth proportional to 382,352.40, 573,010.20 and 255,632.40 is: 383,102.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,352.40 : 573,010.20 = 255,632.40 : x
  2. Step 2: Convert to fraction form
    382,352.40/573,010.20 = 255,632.40/x
  3. Step 3: Cross multiply
    382,352.40x = 573,010.20 × 255,632.40
  4. Step 4: Simplify right side
    382,352.40x = 146,479,972,650.48
  5. Step 5: Solve for x
    x = 146,479,972,650.48/382,352.40
  6. Step 6: Final answer
    x = 383,102.01

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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.