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Finding the Fourth Proportional to 300,653.04, 450,352.08 and 180,328.42

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Solution

The fourth proportional to 300,653.04, 450,352.08 and 180,328.42 is: 270,116.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,653.04 : 450,352.08 = 180,328.42 : x
  2. Step 2: Convert to fraction form
    300,653.04/450,352.08 = 180,328.42/x
  3. Step 3: Cross multiply
    300,653.04x = 450,352.08 × 180,328.42
  4. Step 4: Simplify right side
    300,653.04x = 81,211,279,030.11
  5. Step 5: Solve for x
    x = 81,211,279,030.11/300,653.04
  6. Step 6: Final answer
    x = 270,116.27

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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.