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Finding the Fourth Proportional to 303,220.20, 452,584.53 and 284,542.44

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Solution

The fourth proportional to 303,220.20, 452,584.53 and 284,542.44 is: 424,706.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,220.20 : 452,584.53 = 284,542.44 : x
  2. Step 2: Convert to fraction form
    303,220.20/452,584.53 = 284,542.44/x
  3. Step 3: Cross multiply
    303,220.20x = 452,584.53 × 284,542.44
  4. Step 4: Simplify right side
    303,220.20x = 128,779,506,472.45
  5. Step 5: Solve for x
    x = 128,779,506,472.45/303,220.20
  6. Step 6: Final answer
    x = 424,706.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.