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Finding the Fourth Proportional to 300,528.10, 450,076.58 and 173,901.48

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Solution

The fourth proportional to 300,528.10, 450,076.58 and 173,901.48 is: 260,438.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,528.10 : 450,076.58 = 173,901.48 : x
  2. Step 2: Convert to fraction form
    300,528.10/450,076.58 = 173,901.48/x
  3. Step 3: Cross multiply
    300,528.10x = 450,076.58 × 173,901.48
  4. Step 4: Simplify right side
    300,528.10x = 78,268,983,512.76
  5. Step 5: Solve for x
    x = 78,268,983,512.76/300,528.10
  6. Step 6: Final answer
    x = 260,438.16

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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.