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Finding the Fourth Proportional to 317,457.69, 438,098.82 and 174,226.89

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Solution

The fourth proportional to 317,457.69, 438,098.82 and 174,226.89 is: 240,437.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,457.69 : 438,098.82 = 174,226.89 : x
  2. Step 2: Convert to fraction form
    317,457.69/438,098.82 = 174,226.89/x
  3. Step 3: Cross multiply
    317,457.69x = 438,098.82 × 174,226.89
  4. Step 4: Simplify right side
    317,457.69x = 76,328,594,921.27
  5. Step 5: Solve for x
    x = 76,328,594,921.27/317,457.69
  6. Step 6: Final answer
    x = 240,437.06

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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.