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Finding the Fourth Proportional to 445,648.10, 615,072.96 and 264,459.94

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Solution

The fourth proportional to 445,648.10, 615,072.96 and 264,459.94 is: 365,001.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,648.10 : 615,072.96 = 264,459.94 : x
  2. Step 2: Convert to fraction form
    445,648.10/615,072.96 = 264,459.94/x
  3. Step 3: Cross multiply
    445,648.10x = 615,072.96 × 264,459.94
  4. Step 4: Simplify right side
    445,648.10x = 162,662,156,559.54
  5. Step 5: Solve for x
    x = 162,662,156,559.54/445,648.10
  6. Step 6: Final answer
    x = 365,001.35

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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.