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Finding the Fourth Proportional to 316,303.56, 436,494.96 and 180,333.18

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Solution

The fourth proportional to 316,303.56, 436,494.96 and 180,333.18 is: 248,857.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,303.56 : 436,494.96 = 180,333.18 : x
  2. Step 2: Convert to fraction form
    316,303.56/436,494.96 = 180,333.18/x
  3. Step 3: Cross multiply
    316,303.56x = 436,494.96 × 180,333.18
  4. Step 4: Simplify right side
    316,303.56x = 78,714,524,190.77
  5. Step 5: Solve for x
    x = 78,714,524,190.77/316,303.56
  6. Step 6: Final answer
    x = 248,857.53

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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.