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Finding the Fourth Proportional to 483,247.85, 666,890.28 and 265,465.71

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Solution

The fourth proportional to 483,247.85, 666,890.28 and 265,465.71 is: 366,347.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,247.85 : 666,890.28 = 265,465.71 : x
  2. Step 2: Convert to fraction form
    483,247.85/666,890.28 = 265,465.71/x
  3. Step 3: Cross multiply
    483,247.85x = 666,890.28 × 265,465.71
  4. Step 4: Simplify right side
    483,247.85x = 177,036,501,672.30
  5. Step 5: Solve for x
    x = 177,036,501,672.30/483,247.85
  6. Step 6: Final answer
    x = 366,347.21

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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.