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Finding the Fourth Proportional to 313,263.92, 432,304.64 and 170,023.98

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Solution

The fourth proportional to 313,263.92, 432,304.64 and 170,023.98 is: 234,633.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,263.92 : 432,304.64 = 170,023.98 : x
  2. Step 2: Convert to fraction form
    313,263.92/432,304.64 = 170,023.98/x
  3. Step 3: Cross multiply
    313,263.92x = 432,304.64 × 170,023.98
  4. Step 4: Simplify right side
    313,263.92x = 73,502,155,890.33
  5. Step 5: Solve for x
    x = 73,502,155,890.33/313,263.92
  6. Step 6: Final answer
    x = 234,633.33

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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.