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Finding the Fourth Proportional to 324,345.60, 486,518.40 and 114,004.80

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Solution

The fourth proportional to 324,345.60, 486,518.40 and 114,004.80 is: 171,007.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,345.60 : 486,518.40 = 114,004.80 : x
  2. Step 2: Convert to fraction form
    324,345.60/486,518.40 = 114,004.80/x
  3. Step 3: Cross multiply
    324,345.60x = 486,518.40 × 114,004.80
  4. Step 4: Simplify right side
    324,345.60x = 55,465,432,888.32
  5. Step 5: Solve for x
    x = 55,465,432,888.32/324,345.60
  6. Step 6: Final answer
    x = 171,007.20

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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.