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Finding the Fourth Proportional to 617,907.40, 925,824.30 and 301,683.40

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Solution

The fourth proportional to 617,907.40, 925,824.30 and 301,683.40 is: 452,018.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,907.40 : 925,824.30 = 301,683.40 : x
  2. Step 2: Convert to fraction form
    617,907.40/925,824.30 = 301,683.40/x
  3. Step 3: Cross multiply
    617,907.40x = 925,824.30 × 301,683.40
  4. Step 4: Simplify right side
    617,907.40x = 279,305,822,626.62
  5. Step 5: Solve for x
    x = 279,305,822,626.62/617,907.40
  6. Step 6: Final answer
    x = 452,018.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.