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Finding the Fourth Proportional to 317,453.00, 438,071.36 and 174,215.43

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Solution

The fourth proportional to 317,453.00, 438,071.36 and 174,215.43 is: 240,409.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,453.00 : 438,071.36 = 174,215.43 : x
  2. Step 2: Convert to fraction form
    317,453.00/438,071.36 = 174,215.43/x
  3. Step 3: Cross multiply
    317,453.00x = 438,071.36 × 174,215.43
  4. Step 4: Simplify right side
    317,453.00x = 76,318,789,482.01
  5. Step 5: Solve for x
    x = 76,318,789,482.01/317,453.00
  6. Step 6: Final answer
    x = 240,409.73

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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.