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Finding the Fourth Proportional to 447,096.08, 617,080.20 and 256,237.40

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Solution

The fourth proportional to 447,096.08, 617,080.20 and 256,237.40 is: 353,657.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,096.08 : 617,080.20 = 256,237.40 : x
  2. Step 2: Convert to fraction form
    447,096.08/617,080.20 = 256,237.40/x
  3. Step 3: Cross multiply
    447,096.08x = 617,080.20 × 256,237.40
  4. Step 4: Simplify right side
    447,096.08x = 158,119,026,039.48
  5. Step 5: Solve for x
    x = 158,119,026,039.48/447,096.08
  6. Step 6: Final answer
    x = 353,657.82

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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.