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Finding the Fourth Proportional to 514,968.60, 773,145.45 and 301,954.80

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Solution

The fourth proportional to 514,968.60, 773,145.45 and 301,954.80 is: 453,338.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,968.60 : 773,145.45 = 301,954.80 : x
  2. Step 2: Convert to fraction form
    514,968.60/773,145.45 = 301,954.80/x
  3. Step 3: Cross multiply
    514,968.60x = 773,145.45 × 301,954.80
  4. Step 4: Simplify right side
    514,968.60x = 233,454,979,725.66
  5. Step 5: Solve for x
    x = 233,454,979,725.66/514,968.60
  6. Step 6: Final answer
    x = 453,338.28

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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.