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Finding the Fourth Proportional to 453,277.60, 680,175.60 and 313,136.80

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Solution

The fourth proportional to 453,277.60, 680,175.60 and 313,136.80 is: 469,884.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,277.60 : 680,175.60 = 313,136.80 : x
  2. Step 2: Convert to fraction form
    453,277.60/680,175.60 = 313,136.80/x
  3. Step 3: Cross multiply
    453,277.60x = 680,175.60 × 313,136.80
  4. Step 4: Simplify right side
    453,277.60x = 212,988,010,822.08
  5. Step 5: Solve for x
    x = 212,988,010,822.08/453,277.60
  6. Step 6: Final answer
    x = 469,884.26

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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.