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Finding the Fourth Proportional to 255,509.88, 352,225.58 and 163,619.43

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Solution

The fourth proportional to 255,509.88, 352,225.58 and 163,619.43 is: 225,552.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,509.88 : 352,225.58 = 163,619.43 : x
  2. Step 2: Convert to fraction form
    255,509.88/352,225.58 = 163,619.43/x
  3. Step 3: Cross multiply
    255,509.88x = 352,225.58 × 163,619.43
  4. Step 4: Simplify right side
    255,509.88x = 57,630,947,812.92
  5. Step 5: Solve for x
    x = 57,630,947,812.92/255,509.88
  6. Step 6: Final answer
    x = 225,552.72

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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.