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Finding the Fourth Proportional to 653,692.14, 980,285.49 and 254,278.98

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Solution

The fourth proportional to 653,692.14, 980,285.49 and 254,278.98 is: 381,320.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,692.14 : 980,285.49 = 254,278.98 : x
  2. Step 2: Convert to fraction form
    653,692.14/980,285.49 = 254,278.98/x
  3. Step 3: Cross multiply
    653,692.14x = 980,285.49 × 254,278.98
  4. Step 4: Simplify right side
    653,692.14x = 249,265,994,506.00
  5. Step 5: Solve for x
    x = 249,265,994,506.00/653,692.14
  6. Step 6: Final answer
    x = 381,320.16

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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.