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Finding the Fourth Proportional to 543,527.46, 750,137.09 and 328,669.05

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Solution

The fourth proportional to 543,527.46, 750,137.09 and 328,669.05 is: 453,605.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,527.46 : 750,137.09 = 328,669.05 : x
  2. Step 2: Convert to fraction form
    543,527.46/750,137.09 = 328,669.05/x
  3. Step 3: Cross multiply
    543,527.46x = 750,137.09 × 328,669.05
  4. Step 4: Simplify right side
    543,527.46x = 246,546,843,096.72
  5. Step 5: Solve for x
    x = 246,546,843,096.72/543,527.46
  6. Step 6: Final answer
    x = 453,605.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.