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Finding the Fourth Proportional to 295,225.56, 442,845.18 and 105,698.88

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Solution

The fourth proportional to 295,225.56, 442,845.18 and 105,698.88 is: 158,550.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,225.56 : 442,845.18 = 105,698.88 : x
  2. Step 2: Convert to fraction form
    295,225.56/442,845.18 = 105,698.88/x
  3. Step 3: Cross multiply
    295,225.56x = 442,845.18 × 105,698.88
  4. Step 4: Simplify right side
    295,225.56x = 46,808,239,539.40
  5. Step 5: Solve for x
    x = 46,808,239,539.40/295,225.56
  6. Step 6: Final answer
    x = 158,550.77

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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.