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Finding the Fourth Proportional to 468,465.30, 646,483.53 and 253,604.85

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Solution

The fourth proportional to 468,465.30, 646,483.53 and 253,604.85 is: 349,975.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,465.30 : 646,483.53 = 253,604.85 : x
  2. Step 2: Convert to fraction form
    468,465.30/646,483.53 = 253,604.85/x
  3. Step 3: Cross multiply
    468,465.30x = 646,483.53 × 253,604.85
  4. Step 4: Simplify right side
    468,465.30x = 163,951,358,653.12
  5. Step 5: Solve for x
    x = 163,951,358,653.12/468,465.30
  6. Step 6: Final answer
    x = 349,975.46

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.