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Finding the Fourth Proportional to 446,453.16, 615,931.72 and 252,816.38

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Solution

The fourth proportional to 446,453.16, 615,931.72 and 252,816.38 is: 348,788.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,453.16 : 615,931.72 = 252,816.38 : x
  2. Step 2: Convert to fraction form
    446,453.16/615,931.72 = 252,816.38/x
  3. Step 3: Cross multiply
    446,453.16x = 615,931.72 × 252,816.38
  4. Step 4: Simplify right side
    446,453.16x = 155,717,627,777.57
  5. Step 5: Solve for x
    x = 155,717,627,777.57/446,453.16
  6. Step 6: Final answer
    x = 348,788.28

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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.