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Finding the Fourth Proportional to 443,141.84, 611,533.32 and 241,936.40

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Solution

The fourth proportional to 443,141.84, 611,533.32 and 241,936.40 is: 333,870.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,141.84 : 611,533.32 = 241,936.40 : x
  2. Step 2: Convert to fraction form
    443,141.84/611,533.32 = 241,936.40/x
  3. Step 3: Cross multiply
    443,141.84x = 611,533.32 × 241,936.40
  4. Step 4: Simplify right side
    443,141.84x = 147,952,169,920.85
  5. Step 5: Solve for x
    x = 147,952,169,920.85/443,141.84
  6. Step 6: Final answer
    x = 333,870.91

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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.