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Finding the Fourth Proportional to 317,907.41, 438,711.86 and 174,667.10

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Solution

The fourth proportional to 317,907.41, 438,711.86 and 174,667.10 is: 241,040.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,907.41 : 438,711.86 = 174,667.10 : x
  2. Step 2: Convert to fraction form
    317,907.41/438,711.86 = 174,667.10/x
  3. Step 3: Cross multiply
    317,907.41x = 438,711.86 × 174,667.10
  4. Step 4: Simplify right side
    317,907.41x = 76,628,526,564.91
  5. Step 5: Solve for x
    x = 76,628,526,564.91/317,907.41
  6. Step 6: Final answer
    x = 241,040.40

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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.