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Finding the Fourth Proportional to 367,075.45, 550,613.18 and 209,611.45

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Solution

The fourth proportional to 367,075.45, 550,613.18 and 209,611.45 is: 314,417.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,075.45 : 550,613.18 = 209,611.45 : x
  2. Step 2: Convert to fraction form
    367,075.45/550,613.18 = 209,611.45/x
  3. Step 3: Cross multiply
    367,075.45x = 550,613.18 × 209,611.45
  4. Step 4: Simplify right side
    367,075.45x = 115,414,827,048.91
  5. Step 5: Solve for x
    x = 115,414,827,048.91/367,075.45
  6. Step 6: Final answer
    x = 314,417.18

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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.