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Finding the Fourth Proportional to 271,628.16, 407,210.56 and 103,054.20

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Solution

The fourth proportional to 271,628.16, 407,210.56 and 103,054.20 is: 154,493.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,628.16 : 407,210.56 = 103,054.20 : x
  2. Step 2: Convert to fraction form
    271,628.16/407,210.56 = 103,054.20/x
  3. Step 3: Cross multiply
    271,628.16x = 407,210.56 × 103,054.20
  4. Step 4: Simplify right side
    271,628.16x = 41,964,758,492.35
  5. Step 5: Solve for x
    x = 41,964,758,492.35/271,628.16
  6. Step 6: Final answer
    x = 154,493.40

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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.