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Finding the Fourth Proportional to 317,219.64, 437,762.16 and 181,295.76

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Solution

The fourth proportional to 317,219.64, 437,762.16 and 181,295.76 is: 250,187.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,219.64 : 437,762.16 = 181,295.76 : x
  2. Step 2: Convert to fraction form
    317,219.64/437,762.16 = 181,295.76/x
  3. Step 3: Cross multiply
    317,219.64x = 437,762.16 × 181,295.76
  4. Step 4: Simplify right side
    317,219.64x = 79,364,423,496.44
  5. Step 5: Solve for x
    x = 79,364,423,496.44/317,219.64
  6. Step 6: Final answer
    x = 250,187.61

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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.