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Finding the Fourth Proportional to 447,152.81, 617,070.44 and 256,166.96

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Solution

The fourth proportional to 447,152.81, 617,070.44 and 256,166.96 is: 353,510.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,152.81 : 617,070.44 = 256,166.96 : x
  2. Step 2: Convert to fraction form
    447,152.81/617,070.44 = 256,166.96/x
  3. Step 3: Cross multiply
    447,152.81x = 617,070.44 × 256,166.96
  4. Step 4: Simplify right side
    447,152.81x = 158,073,057,439.83
  5. Step 5: Solve for x
    x = 158,073,057,439.83/447,152.81
  6. Step 6: Final answer
    x = 353,510.15

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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.