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Finding the Fourth Proportional to 314,310.68, 433,759.38 and 171,075.92

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Solution

The fourth proportional to 314,310.68, 433,759.38 and 171,075.92 is: 236,090.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,310.68 : 433,759.38 = 171,075.92 : x
  2. Step 2: Convert to fraction form
    314,310.68/433,759.38 = 171,075.92/x
  3. Step 3: Cross multiply
    314,310.68x = 433,759.38 × 171,075.92
  4. Step 4: Simplify right side
    314,310.68x = 74,205,784,992.13
  5. Step 5: Solve for x
    x = 74,205,784,992.13/314,310.68
  6. Step 6: Final answer
    x = 236,090.56

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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.