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Finding the Fourth Proportional to 446,265.15, 615,692.00 and 285,214.47

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Solution

The fourth proportional to 446,265.15, 615,692.00 and 285,214.47 is: 393,497.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,265.15 : 615,692.00 = 285,214.47 : x
  2. Step 2: Convert to fraction form
    446,265.15/615,692.00 = 285,214.47/x
  3. Step 3: Cross multiply
    446,265.15x = 615,692.00 × 285,214.47
  4. Step 4: Simplify right side
    446,265.15x = 175,604,266,037.17
  5. Step 5: Solve for x
    x = 175,604,266,037.17/446,265.15
  6. Step 6: Final answer
    x = 393,497.60

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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.