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Finding the Fourth Proportional to 317,328.30, 437,940.72 and 174,116.34

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Solution

The fourth proportional to 317,328.30, 437,940.72 and 174,116.34 is: 240,295.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,328.30 : 437,940.72 = 174,116.34 : x
  2. Step 2: Convert to fraction form
    317,328.30/437,940.72 = 174,116.34/x
  3. Step 3: Cross multiply
    317,328.30x = 437,940.72 × 174,116.34
  4. Step 4: Simplify right side
    317,328.30x = 76,252,635,303.36
  5. Step 5: Solve for x
    x = 76,252,635,303.36/317,328.30
  6. Step 6: Final answer
    x = 240,295.73

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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.