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Finding the Fourth Proportional to 297,645.12, 410,754.64 and 161,681.64

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Solution

The fourth proportional to 297,645.12, 410,754.64 and 161,681.64 is: 223,123.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,645.12 : 410,754.64 = 161,681.64 : x
  2. Step 2: Convert to fraction form
    297,645.12/410,754.64 = 161,681.64/x
  3. Step 3: Cross multiply
    297,645.12x = 410,754.64 × 161,681.64
  4. Step 4: Simplify right side
    297,645.12x = 66,411,483,832.81
  5. Step 5: Solve for x
    x = 66,411,483,832.81/297,645.12
  6. Step 6: Final answer
    x = 223,123.04

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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.