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Finding the Fourth Proportional to 450,524.55, 675,537.71 and 342,492.56

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Solution

The fourth proportional to 450,524.55, 675,537.71 and 342,492.56 is: 513,549.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,524.55 : 675,537.71 = 342,492.56 : x
  2. Step 2: Convert to fraction form
    450,524.55/675,537.71 = 342,492.56/x
  3. Step 3: Cross multiply
    450,524.55x = 675,537.71 × 342,492.56
  4. Step 4: Simplify right side
    450,524.55x = 231,366,639,674.44
  5. Step 5: Solve for x
    x = 231,366,639,674.44/450,524.55
  6. Step 6: Final answer
    x = 513,549.46

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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.