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Finding the Fourth Proportional to 317,763.60, 438,516.36 and 174,525.36

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Solution

The fourth proportional to 317,763.60, 438,516.36 and 174,525.36 is: 240,846.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,763.60 : 438,516.36 = 174,525.36 : x
  2. Step 2: Convert to fraction form
    317,763.60/438,516.36 = 174,525.36/x
  3. Step 3: Cross multiply
    317,763.60x = 438,516.36 × 174,525.36
  4. Step 4: Simplify right side
    317,763.60x = 76,532,225,594.89
  5. Step 5: Solve for x
    x = 76,532,225,594.89/317,763.60
  6. Step 6: Final answer
    x = 240,846.42

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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.