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Finding the Fourth Proportional to 544,506.09, 816,925.38 and 278,453.49

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Solution

The fourth proportional to 544,506.09, 816,925.38 and 278,453.49 is: 417,765.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,506.09 : 816,925.38 = 278,453.49 : x
  2. Step 2: Convert to fraction form
    544,506.09/816,925.38 = 278,453.49/x
  3. Step 3: Cross multiply
    544,506.09x = 816,925.38 × 278,453.49
  4. Step 4: Simplify right side
    544,506.09x = 227,475,723,130.58
  5. Step 5: Solve for x
    x = 227,475,723,130.58/544,506.09
  6. Step 6: Final answer
    x = 417,765.25

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1.5x scale

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.