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Finding the Fourth Proportional to 296,973.60, 445,263.60 and 163,917.60

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Solution

The fourth proportional to 296,973.60, 445,263.60 and 163,917.60 is: 245,767.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,973.60 : 445,263.60 = 163,917.60 : x
  2. Step 2: Convert to fraction form
    296,973.60/445,263.60 = 163,917.60/x
  3. Step 3: Cross multiply
    296,973.60x = 445,263.60 × 163,917.60
  4. Step 4: Simplify right side
    296,973.60x = 72,986,540,679.36
  5. Step 5: Solve for x
    x = 72,986,540,679.36/296,973.60
  6. Step 6: Final answer
    x = 245,767.77

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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.