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Finding the Fourth Proportional to 317,444.94, 438,059.61 and 174,202.11

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Solution

The fourth proportional to 317,444.94, 438,059.61 and 174,202.11 is: 240,391.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,444.94 : 438,059.61 = 174,202.11 : x
  2. Step 2: Convert to fraction form
    317,444.94/438,059.61 = 174,202.11/x
  3. Step 3: Cross multiply
    317,444.94x = 438,059.61 × 174,202.11
  4. Step 4: Simplify right side
    317,444.94x = 76,310,908,367.78
  5. Step 5: Solve for x
    x = 76,310,908,367.78/317,444.94
  6. Step 6: Final answer
    x = 240,391.01

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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.