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Finding the Fourth Proportional to 550,048.80, 759,075.12 and 335,197.92

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Solution

The fourth proportional to 550,048.80, 759,075.12 and 335,197.92 is: 462,577.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,048.80 : 759,075.12 = 335,197.92 : x
  2. Step 2: Convert to fraction form
    550,048.80/759,075.12 = 335,197.92/x
  3. Step 3: Cross multiply
    550,048.80x = 759,075.12 × 335,197.92
  4. Step 4: Simplify right side
    550,048.80x = 254,440,401,347.75
  5. Step 5: Solve for x
    x = 254,440,401,347.75/550,048.80
  6. Step 6: Final answer
    x = 462,577.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.