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Finding the Fourth Proportional to 457,383.60, 686,075.40 and 297,951.30

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Solution

The fourth proportional to 457,383.60, 686,075.40 and 297,951.30 is: 446,926.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,383.60 : 686,075.40 = 297,951.30 : x
  2. Step 2: Convert to fraction form
    457,383.60/686,075.40 = 297,951.30/x
  3. Step 3: Cross multiply
    457,383.60x = 686,075.40 × 297,951.30
  4. Step 4: Simplify right side
    457,383.60x = 204,417,057,328.02
  5. Step 5: Solve for x
    x = 204,417,057,328.02/457,383.60
  6. Step 6: Final answer
    x = 446,926.95

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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.