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Finding the Fourth Proportional to 314,185.96, 433,563.64 and 170,946.56

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Solution

The fourth proportional to 314,185.96, 433,563.64 and 170,946.56 is: 235,899.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,185.96 : 433,563.64 = 170,946.56 : x
  2. Step 2: Convert to fraction form
    314,185.96/433,563.64 = 170,946.56/x
  3. Step 3: Cross multiply
    314,185.96x = 433,563.64 × 170,946.56
  4. Step 4: Simplify right side
    314,185.96x = 74,116,212,799.08
  5. Step 5: Solve for x
    x = 74,116,212,799.08/314,185.96
  6. Step 6: Final answer
    x = 235,899.19

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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.