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Finding the Fourth Proportional to 483,136.84, 666,790.36 and 292,151.60

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Solution

The fourth proportional to 483,136.84, 666,790.36 and 292,151.60 is: 403,206.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,136.84 : 666,790.36 = 292,151.60 : x
  2. Step 2: Convert to fraction form
    483,136.84/666,790.36 = 292,151.60/x
  3. Step 3: Cross multiply
    483,136.84x = 666,790.36 × 292,151.60
  4. Step 4: Simplify right side
    483,136.84x = 194,803,870,538.58
  5. Step 5: Solve for x
    x = 194,803,870,538.58/483,136.84
  6. Step 6: Final answer
    x = 403,206.41

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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.