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Finding the Fourth Proportional to 317,627.00, 438,326.12 and 174,396.32

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Solution

The fourth proportional to 317,627.00, 438,326.12 and 174,396.32 is: 240,667.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,627.00 : 438,326.12 = 174,396.32 : x
  2. Step 2: Convert to fraction form
    317,627.00/438,326.12 = 174,396.32/x
  3. Step 3: Cross multiply
    317,627.00x = 438,326.12 × 174,396.32
  4. Step 4: Simplify right side
    317,627.00x = 76,442,461,194.98
  5. Step 5: Solve for x
    x = 76,442,461,194.98/317,627.00
  6. Step 6: Final answer
    x = 240,667.39

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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.