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Finding the Fourth Proportional to 365,518.98, 548,278.47 and 240,830.82

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Solution

The fourth proportional to 365,518.98, 548,278.47 and 240,830.82 is: 361,246.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,518.98 : 548,278.47 = 240,830.82 : x
  2. Step 2: Convert to fraction form
    365,518.98/548,278.47 = 240,830.82/x
  3. Step 3: Cross multiply
    365,518.98x = 548,278.47 × 240,830.82
  4. Step 4: Simplify right side
    365,518.98x = 132,042,353,518.45
  5. Step 5: Solve for x
    x = 132,042,353,518.45/365,518.98
  6. Step 6: Final answer
    x = 361,246.23

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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.