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Finding the Fourth Proportional to 301,190.53, 415,612.13 and 180,328.68

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Solution

The fourth proportional to 301,190.53, 415,612.13 and 180,328.68 is: 248,835.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,190.53 : 415,612.13 = 180,328.68 : x
  2. Step 2: Convert to fraction form
    301,190.53/415,612.13 = 180,328.68/x
  3. Step 3: Cross multiply
    301,190.53x = 415,612.13 × 180,328.68
  4. Step 4: Simplify right side
    301,190.53x = 74,946,783,815.18
  5. Step 5: Solve for x
    x = 74,946,783,815.18/301,190.53
  6. Step 6: Final answer
    x = 248,835.13

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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.