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Finding the Fourth Proportional to 317,056.68, 437,516.64 and 173,787.12

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Solution

The fourth proportional to 317,056.68, 437,516.64 and 173,787.12 is: 239,814.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,056.68 : 437,516.64 = 173,787.12 : x
  2. Step 2: Convert to fraction form
    317,056.68/437,516.64 = 173,787.12/x
  3. Step 3: Cross multiply
    317,056.68x = 437,516.64 × 173,787.12
  4. Step 4: Simplify right side
    317,056.68x = 76,034,756,817.68
  5. Step 5: Solve for x
    x = 76,034,756,817.68/317,056.68
  6. Step 6: Final answer
    x = 239,814.40

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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.