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Finding the Fourth Proportional to 317,483.43, 438,154.02 and 174,267.73

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Solution

The fourth proportional to 317,483.43, 438,154.02 and 174,267.73 is: 240,504.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,483.43 : 438,154.02 = 174,267.73 : x
  2. Step 2: Convert to fraction form
    317,483.43/438,154.02 = 174,267.73/x
  3. Step 3: Cross multiply
    317,483.43x = 438,154.02 × 174,267.73
  4. Step 4: Simplify right side
    317,483.43x = 76,356,106,455.77
  5. Step 5: Solve for x
    x = 76,356,106,455.77/317,483.43
  6. Step 6: Final answer
    x = 240,504.23

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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.