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Finding the Fourth Proportional to 334,189.80, 501,284.70 and 317,860.20

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Solution

The fourth proportional to 334,189.80, 501,284.70 and 317,860.20 is: 476,790.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,189.80 : 501,284.70 = 317,860.20 : x
  2. Step 2: Convert to fraction form
    334,189.80/501,284.70 = 317,860.20/x
  3. Step 3: Cross multiply
    334,189.80x = 501,284.70 × 317,860.20
  4. Step 4: Simplify right side
    334,189.80x = 159,338,454,998.94
  5. Step 5: Solve for x
    x = 159,338,454,998.94/334,189.80
  6. Step 6: Final answer
    x = 476,790.30

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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.