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Finding the Fourth Proportional to 460,136.88, 690,371.40 and 160,661.58

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Solution

The fourth proportional to 460,136.88, 690,371.40 and 160,661.58 is: 241,050.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,136.88 : 690,371.40 = 160,661.58 : x
  2. Step 2: Convert to fraction form
    460,136.88/690,371.40 = 160,661.58/x
  3. Step 3: Cross multiply
    460,136.88x = 690,371.40 × 160,661.58
  4. Step 4: Simplify right side
    460,136.88x = 110,916,159,910.81
  5. Step 5: Solve for x
    x = 110,916,159,910.81/460,136.88
  6. Step 6: Final answer
    x = 241,050.36

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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.