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Finding the Fourth Proportional to 329,369.84, 454,530.70 and 178,466.84

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Solution

The fourth proportional to 329,369.84, 454,530.70 and 178,466.84 is: 246,284.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,369.84 : 454,530.70 = 178,466.84 : x
  2. Step 2: Convert to fraction form
    329,369.84/454,530.70 = 178,466.84/x
  3. Step 3: Cross multiply
    329,369.84x = 454,530.70 × 178,466.84
  4. Step 4: Simplify right side
    329,369.84x = 81,118,657,711.99
  5. Step 5: Solve for x
    x = 81,118,657,711.99/329,369.84
  6. Step 6: Final answer
    x = 246,284.41

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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.