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Finding the Fourth Proportional to 354,632.04, 489,392.04 and 227,307.54

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Solution

The fourth proportional to 354,632.04, 489,392.04 and 227,307.54 is: 313,684.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,632.04 : 489,392.04 = 227,307.54 : x
  2. Step 2: Convert to fraction form
    354,632.04/489,392.04 = 227,307.54/x
  3. Step 3: Cross multiply
    354,632.04x = 489,392.04 × 227,307.54
  4. Step 4: Simplify right side
    354,632.04x = 111,242,500,707.98
  5. Step 5: Solve for x
    x = 111,242,500,707.98/354,632.04
  6. Step 6: Final answer
    x = 313,684.29

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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.