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Finding the Fourth Proportional to 365,536.80, 548,305.20 and 349,790.40

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Solution

The fourth proportional to 365,536.80, 548,305.20 and 349,790.40 is: 524,685.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,536.80 : 548,305.20 = 349,790.40 : x
  2. Step 2: Convert to fraction form
    365,536.80/548,305.20 = 349,790.40/x
  3. Step 3: Cross multiply
    365,536.80x = 548,305.20 × 349,790.40
  4. Step 4: Simplify right side
    365,536.80x = 191,791,895,230.08
  5. Step 5: Solve for x
    x = 191,791,895,230.08/365,536.80
  6. Step 6: Final answer
    x = 524,685.60

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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.