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Finding the Fourth Proportional to 468,855.84, 647,018.40 and 254,000.08

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Solution

The fourth proportional to 468,855.84, 647,018.40 and 254,000.08 is: 350,518.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,855.84 : 647,018.40 = 254,000.08 : x
  2. Step 2: Convert to fraction form
    468,855.84/647,018.40 = 254,000.08/x
  3. Step 3: Cross multiply
    468,855.84x = 647,018.40 × 254,000.08
  4. Step 4: Simplify right side
    468,855.84x = 164,342,725,361.47
  5. Step 5: Solve for x
    x = 164,342,725,361.47/468,855.84
  6. Step 6: Final answer
    x = 350,518.67

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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.