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Finding the Fourth Proportional to 289,022.90, 433,534.35 and 164,606.90

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Solution

The fourth proportional to 289,022.90, 433,534.35 and 164,606.90 is: 246,910.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,022.90 : 433,534.35 = 164,606.90 : x
  2. Step 2: Convert to fraction form
    289,022.90/433,534.35 = 164,606.90/x
  3. Step 3: Cross multiply
    289,022.90x = 433,534.35 × 164,606.90
  4. Step 4: Simplify right side
    289,022.90x = 71,362,745,397.02
  5. Step 5: Solve for x
    x = 71,362,745,397.02/289,022.90
  6. Step 6: Final answer
    x = 246,910.35

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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.