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Finding the Fourth Proportional to 317,477.38, 438,104.73 and 174,237.70

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Solution

The fourth proportional to 317,477.38, 438,104.73 and 174,237.70 is: 240,440.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,477.38 : 438,104.73 = 174,237.70 : x
  2. Step 2: Convert to fraction form
    317,477.38/438,104.73 = 174,237.70/x
  3. Step 3: Cross multiply
    317,477.38x = 438,104.73 × 174,237.70
  4. Step 4: Simplify right side
    317,477.38x = 76,334,360,514.32
  5. Step 5: Solve for x
    x = 76,334,360,514.32/317,477.38
  6. Step 6: Final answer
    x = 240,440.31

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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.