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Finding the Fourth Proportional to 300,603, 450,934.38 and 111,113.04

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Solution

The fourth proportional to 300,603, 450,934.38 and 111,113.04 is: 166,680.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,603 : 450,934.38 = 111,113.04 : x
  2. Step 2: Convert to fraction form
    300,603/450,934.38 = 111,113.04/x
  3. Step 3: Cross multiply
    300,603x = 450,934.38 × 111,113.04
  4. Step 4: Simplify right side
    300,603x = 50,104,689,802.32
  5. Step 5: Solve for x
    x = 50,104,689,802.32/300,603
  6. Step 6: Final answer
    x = 166,680.60

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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.