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Finding the Fourth Proportional to 442,915.09, 611,222.66 and 241,711.09

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Solution

The fourth proportional to 442,915.09, 611,222.66 and 241,711.09 is: 333,561.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,915.09 : 611,222.66 = 241,711.09 : x
  2. Step 2: Convert to fraction form
    442,915.09/611,222.66 = 241,711.09/x
  3. Step 3: Cross multiply
    442,915.09x = 611,222.66 × 241,711.09
  4. Step 4: Simplify right side
    442,915.09x = 147,739,293,551.10
  5. Step 5: Solve for x
    x = 147,739,293,551.10/442,915.09
  6. Step 6: Final answer
    x = 333,561.21

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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.