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Finding the Fourth Proportional to 317,559.90, 438,237.63 and 174,333

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Solution

The fourth proportional to 317,559.90, 438,237.63 and 174,333 is: 240,582.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,559.90 : 438,237.63 = 174,333 : x
  2. Step 2: Convert to fraction form
    317,559.90/438,237.63 = 174,333/x
  3. Step 3: Cross multiply
    317,559.90x = 438,237.63 × 174,333
  4. Step 4: Simplify right side
    317,559.90x = 76,399,280,750.79
  5. Step 5: Solve for x
    x = 76,399,280,750.79/317,559.90
  6. Step 6: Final answer
    x = 240,582.27

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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.