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Finding the Fourth Proportional to 617,852.90, 925,742.55 and 301,628.90

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Solution

The fourth proportional to 617,852.90, 925,742.55 and 301,628.90 is: 451,937.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,852.90 : 925,742.55 = 301,628.90 : x
  2. Step 2: Convert to fraction form
    617,852.90/925,742.55 = 301,628.90/x
  3. Step 3: Cross multiply
    617,852.90x = 925,742.55 × 301,628.90
  4. Step 4: Simplify right side
    617,852.90x = 279,230,707,039.70
  5. Step 5: Solve for x
    x = 279,230,707,039.70/617,852.90
  6. Step 6: Final answer
    x = 451,937.20

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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.