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Finding the Fourth Proportional to 504,784.45, 757,675.46 and 220,671.10

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Solution

The fourth proportional to 504,784.45, 757,675.46 and 220,671.10 is: 331,224.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,784.45 : 757,675.46 = 220,671.10 : x
  2. Step 2: Convert to fraction form
    504,784.45/757,675.46 = 220,671.10/x
  3. Step 3: Cross multiply
    504,784.45x = 757,675.46 × 220,671.10
  4. Step 4: Simplify right side
    504,784.45x = 167,197,075,858.70
  5. Step 5: Solve for x
    x = 167,197,075,858.70/504,784.45
  6. Step 6: Final answer
    x = 331,224.70

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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.