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Finding the Fourth Proportional to 448,781.60, 673,628.88 and 224,303.12

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Solution

The fourth proportional to 448,781.60, 673,628.88 and 224,303.12 is: 336,682.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,781.60 : 673,628.88 = 224,303.12 : x
  2. Step 2: Convert to fraction form
    448,781.60/673,628.88 = 224,303.12/x
  3. Step 3: Cross multiply
    448,781.60x = 673,628.88 × 224,303.12
  4. Step 4: Simplify right side
    448,781.60x = 151,097,059,506.11
  5. Step 5: Solve for x
    x = 151,097,059,506.11/448,781.60
  6. Step 6: Final answer
    x = 336,682.83

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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.