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Finding the Fourth Proportional to 533,075.80, 799,322.10 and 217,175.80

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Solution

The fourth proportional to 533,075.80, 799,322.10 and 217,175.80 is: 325,644.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,075.80 : 799,322.10 = 217,175.80 : x
  2. Step 2: Convert to fraction form
    533,075.80/799,322.10 = 217,175.80/x
  3. Step 3: Cross multiply
    533,075.80x = 799,322.10 × 217,175.80
  4. Step 4: Simplify right side
    533,075.80x = 173,593,416,525.18
  5. Step 5: Solve for x
    x = 173,593,416,525.18/533,075.80
  6. Step 6: Final answer
    x = 325,644.90

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Half scale
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Double scale
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Similar ratio
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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.