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Finding the Fourth Proportional to 439,474.40, 606,487.46 and 248,483.69

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Solution

The fourth proportional to 439,474.40, 606,487.46 and 248,483.69 is: 342,914.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,474.40 : 606,487.46 = 248,483.69 : x
  2. Step 2: Convert to fraction form
    439,474.40/606,487.46 = 248,483.69/x
  3. Step 3: Cross multiply
    439,474.40x = 606,487.46 × 248,483.69
  4. Step 4: Simplify right side
    439,474.40x = 150,702,241,999.53
  5. Step 5: Solve for x
    x = 150,702,241,999.53/439,474.40
  6. Step 6: Final answer
    x = 342,914.72

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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.