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Finding the Fourth Proportional to 446,732.70, 616,431.51 and 253,136.22

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Solution

The fourth proportional to 446,732.70, 616,431.51 and 253,136.22 is: 349,294.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,732.70 : 616,431.51 = 253,136.22 : x
  2. Step 2: Convert to fraction form
    446,732.70/616,431.51 = 253,136.22/x
  3. Step 3: Cross multiply
    446,732.70x = 616,431.51 × 253,136.22
  4. Step 4: Simplify right side
    446,732.70x = 156,041,142,330.29
  5. Step 5: Solve for x
    x = 156,041,142,330.29/446,732.70
  6. Step 6: Final answer
    x = 349,294.20

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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.