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Finding the Fourth Proportional to 357,501.96, 536,318.82 and 117,629.28

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Solution

The fourth proportional to 357,501.96, 536,318.82 and 117,629.28 is: 176,465.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,501.96 : 536,318.82 = 117,629.28 : x
  2. Step 2: Convert to fraction form
    357,501.96/536,318.82 = 117,629.28/x
  3. Step 3: Cross multiply
    357,501.96x = 536,318.82 × 117,629.28
  4. Step 4: Simplify right side
    357,501.96x = 63,086,796,647.05
  5. Step 5: Solve for x
    x = 63,086,796,647.05/357,501.96
  6. Step 6: Final answer
    x = 176,465.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.