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Finding the Fourth Proportional to 317,238.68, 437,817.47 and 174,026.63

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Solution

The fourth proportional to 317,238.68, 437,817.47 and 174,026.63 is: 240,172.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,238.68 : 437,817.47 = 174,026.63 : x
  2. Step 2: Convert to fraction form
    317,238.68/437,817.47 = 174,026.63/x
  3. Step 3: Cross multiply
    317,238.68x = 437,817.47 × 174,026.63
  4. Step 4: Simplify right side
    317,238.68x = 76,191,895,800.01
  5. Step 5: Solve for x
    x = 76,191,895,800.01/317,238.68
  6. Step 6: Final answer
    x = 240,172.15

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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.