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Finding the Fourth Proportional to 448,173, 618,491.94 and 246,981.96

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Solution

The fourth proportional to 448,173, 618,491.94 and 246,981.96 is: 340,842.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,173 : 618,491.94 = 246,981.96 : x
  2. Step 2: Convert to fraction form
    448,173/618,491.94 = 246,981.96/x
  3. Step 3: Cross multiply
    448,173x = 618,491.94 × 246,981.96
  4. Step 4: Simplify right side
    448,173x = 152,756,351,585.40
  5. Step 5: Solve for x
    x = 152,756,351,585.40/448,173
  6. Step 6: Final answer
    x = 340,842.38

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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.