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Finding the Fourth Proportional to 483,478.16, 725,217.21 and 183,889.53

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Solution

The fourth proportional to 483,478.16, 725,217.21 and 183,889.53 is: 275,834.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,478.16 : 725,217.21 = 183,889.53 : x
  2. Step 2: Convert to fraction form
    483,478.16/725,217.21 = 183,889.53/x
  3. Step 3: Cross multiply
    483,478.16x = 725,217.21 × 183,889.53
  4. Step 4: Simplify right side
    483,478.16x = 133,359,851,894.81
  5. Step 5: Solve for x
    x = 133,359,851,894.81/483,478.16
  6. Step 6: Final answer
    x = 275,834.29

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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.