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Finding the Fourth Proportional to 450,520.48, 675,680.88 and 134,935.84

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Solution

The fourth proportional to 450,520.48, 675,680.88 and 134,935.84 is: 202,373.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,520.48 : 675,680.88 = 134,935.84 : x
  2. Step 2: Convert to fraction form
    450,520.48/675,680.88 = 134,935.84/x
  3. Step 3: Cross multiply
    450,520.48x = 675,680.88 × 134,935.84
  4. Step 4: Simplify right side
    450,520.48x = 91,173,567,114.74
  5. Step 5: Solve for x
    x = 91,173,567,114.74/450,520.48
  6. Step 6: Final answer
    x = 202,373.86

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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.