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Finding the Fourth Proportional to 297,955.41, 411,182.96 and 161,989.04

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Solution

The fourth proportional to 297,955.41, 411,182.96 and 161,989.04 is: 223,547.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,955.41 : 411,182.96 = 161,989.04 : x
  2. Step 2: Convert to fraction form
    297,955.41/411,182.96 = 161,989.04/x
  3. Step 3: Cross multiply
    297,955.41x = 411,182.96 × 161,989.04
  4. Step 4: Simplify right side
    297,955.41x = 66,607,133,172.77
  5. Step 5: Solve for x
    x = 66,607,133,172.77/297,955.41
  6. Step 6: Final answer
    x = 223,547.32

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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.