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Finding the Fourth Proportional to 246,075.20, 345,438.40 and 246,075.20

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Solution

The fourth proportional to 246,075.20, 345,438.40 and 246,075.20 is: 345,438.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,075.20 : 345,438.40 = 246,075.20 : x
  2. Step 2: Convert to fraction form
    246,075.20/345,438.40 = 246,075.20/x
  3. Step 3: Cross multiply
    246,075.20x = 345,438.40 × 246,075.20
  4. Step 4: Simplify right side
    246,075.20x = 85,003,823,367.68
  5. Step 5: Solve for x
    x = 85,003,823,367.68/246,075.20
  6. Step 6: Final answer
    x = 345,438.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.