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Finding the Fourth Proportional to 317,417.82, 438,035.39 and 174,180.26

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Solution

The fourth proportional to 317,417.82, 438,035.39 and 174,180.26 is: 240,368.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,417.82 : 438,035.39 = 174,180.26 : x
  2. Step 2: Convert to fraction form
    317,417.82/438,035.39 = 174,180.26/x
  3. Step 3: Cross multiply
    317,417.82x = 438,035.39 × 174,180.26
  4. Step 4: Simplify right side
    317,417.82x = 76,297,115,058.32
  5. Step 5: Solve for x
    x = 76,297,115,058.32/317,417.82
  6. Step 6: Final answer
    x = 240,368.09

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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.