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Finding the Fourth Proportional to 317,634.98, 438,336.96 and 174,404.10

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Solution

The fourth proportional to 317,634.98, 438,336.96 and 174,404.10 is: 240,678.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,634.98 : 438,336.96 = 174,404.10 : x
  2. Step 2: Convert to fraction form
    317,634.98/438,336.96 = 174,404.10/x
  3. Step 3: Cross multiply
    317,634.98x = 438,336.96 × 174,404.10
  4. Step 4: Simplify right side
    317,634.98x = 76,447,763,005.54
  5. Step 5: Solve for x
    x = 76,447,763,005.54/317,634.98
  6. Step 6: Final answer
    x = 240,678.04

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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.