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Finding the Fourth Proportional to 295,223.40, 442,878.30 and 154,992.60

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Solution

The fourth proportional to 295,223.40, 442,878.30 and 154,992.60 is: 232,511.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,223.40 : 442,878.30 = 154,992.60 : x
  2. Step 2: Convert to fraction form
    295,223.40/442,878.30 = 154,992.60/x
  3. Step 3: Cross multiply
    295,223.40x = 442,878.30 × 154,992.60
  4. Step 4: Simplify right side
    295,223.40x = 68,642,859,200.58
  5. Step 5: Solve for x
    x = 68,642,859,200.58/295,223.40
  6. Step 6: Final answer
    x = 232,511.58

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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.