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Finding the Fourth Proportional to 317,099.72, 475,150.71 and 245,228.58

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Solution

The fourth proportional to 317,099.72, 475,150.71 and 245,228.58 is: 367,457.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,099.72 : 475,150.71 = 245,228.58 : x
  2. Step 2: Convert to fraction form
    317,099.72/475,150.71 = 245,228.58/x
  3. Step 3: Cross multiply
    317,099.72x = 475,150.71 × 245,228.58
  4. Step 4: Simplify right side
    317,099.72x = 116,520,533,899.29
  5. Step 5: Solve for x
    x = 116,520,533,899.29/317,099.72
  6. Step 6: Final answer
    x = 367,457.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.