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Finding the Fourth Proportional to 354,868.02, 489,718.98 and 227,544.12

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Solution

The fourth proportional to 354,868.02, 489,718.98 and 227,544.12 is: 314,011.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,868.02 : 489,718.98 = 227,544.12 : x
  2. Step 2: Convert to fraction form
    354,868.02/489,718.98 = 227,544.12/x
  3. Step 3: Cross multiply
    354,868.02x = 489,718.98 × 227,544.12
  4. Step 4: Simplify right side
    354,868.02x = 111,432,674,351.40
  5. Step 5: Solve for x
    x = 111,432,674,351.40/354,868.02
  6. Step 6: Final answer
    x = 314,011.60

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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.