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Finding the Fourth Proportional to 543,524.79, 750,133.41 and 328,666.40

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Solution

The fourth proportional to 543,524.79, 750,133.41 and 328,666.40 is: 453,601.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,524.79 : 750,133.41 = 328,666.40 : x
  2. Step 2: Convert to fraction form
    543,524.79/750,133.41 = 328,666.40/x
  3. Step 3: Cross multiply
    543,524.79x = 750,133.41 × 328,666.40
  4. Step 4: Simplify right side
    543,524.79x = 246,543,647,384.42
  5. Step 5: Solve for x
    x = 246,543,647,384.42/543,524.79
  6. Step 6: Final answer
    x = 453,601.48

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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.