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Finding the Fourth Proportional to 256,080.60, 383,246.10 and 224,587.80

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Solution

The fourth proportional to 256,080.60, 383,246.10 and 224,587.80 is: 336,114.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,080.60 : 383,246.10 = 224,587.80 : x
  2. Step 2: Convert to fraction form
    256,080.60/383,246.10 = 224,587.80/x
  3. Step 3: Cross multiply
    256,080.60x = 383,246.10 × 224,587.80
  4. Step 4: Simplify right side
    256,080.60x = 86,072,398,457.58
  5. Step 5: Solve for x
    x = 86,072,398,457.58/256,080.60
  6. Step 6: Final answer
    x = 336,114.48

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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.