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Finding the Fourth Proportional to 317,284.84, 437,858.90 and 174,052.20

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Solution

The fourth proportional to 317,284.84, 437,858.90 and 174,052.20 is: 240,195.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,284.84 : 437,858.90 = 174,052.20 : x
  2. Step 2: Convert to fraction form
    317,284.84/437,858.90 = 174,052.20/x
  3. Step 3: Cross multiply
    317,284.84x = 437,858.90 × 174,052.20
  4. Step 4: Simplify right side
    317,284.84x = 76,210,304,834.58
  5. Step 5: Solve for x
    x = 76,210,304,834.58/317,284.84
  6. Step 6: Final answer
    x = 240,195.23

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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.