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Finding the Fourth Proportional to 317,483.68, 438,154.37 and 174,267.98

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Solution

The fourth proportional to 317,483.68, 438,154.37 and 174,267.98 is: 240,504.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,483.68 : 438,154.37 = 174,267.98 : x
  2. Step 2: Convert to fraction form
    317,483.68/438,154.37 = 174,267.98/x
  3. Step 3: Cross multiply
    317,483.68x = 438,154.37 × 174,267.98
  4. Step 4: Simplify right side
    317,483.68x = 76,356,276,116.73
  5. Step 5: Solve for x
    x = 76,356,276,116.73/317,483.68
  6. Step 6: Final answer
    x = 240,504.57

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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.