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Finding the Fourth Proportional to 355,933.76, 534,075.52 and 166,407.12

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Solution

The fourth proportional to 355,933.76, 534,075.52 and 166,407.12 is: 249,692.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,933.76 : 534,075.52 = 166,407.12 : x
  2. Step 2: Convert to fraction form
    355,933.76/534,075.52 = 166,407.12/x
  3. Step 3: Cross multiply
    355,933.76x = 534,075.52 × 166,407.12
  4. Step 4: Simplify right side
    355,933.76x = 88,873,969,145.70
  5. Step 5: Solve for x
    x = 88,873,969,145.70/355,933.76
  6. Step 6: Final answer
    x = 249,692.44

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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.