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Finding the Fourth Proportional to 483,364.96, 666,774.88 and 449,153.56

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Solution

The fourth proportional to 483,364.96, 666,774.88 and 449,153.56 is: 619,582.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,364.96 : 666,774.88 = 449,153.56 : x
  2. Step 2: Convert to fraction form
    483,364.96/666,774.88 = 449,153.56/x
  3. Step 3: Cross multiply
    483,364.96x = 666,774.88 × 449,153.56
  4. Step 4: Simplify right side
    483,364.96x = 299,484,311,070.57
  5. Step 5: Solve for x
    x = 299,484,311,070.57/483,364.96
  6. Step 6: Final answer
    x = 619,582.17

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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.