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Finding the Fourth Proportional to 349,705.42, 482,550.66 and 220,595.42

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Solution

The fourth proportional to 349,705.42, 482,550.66 and 220,595.42 is: 304,394.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,705.42 : 482,550.66 = 220,595.42 : x
  2. Step 2: Convert to fraction form
    349,705.42/482,550.66 = 220,595.42/x
  3. Step 3: Cross multiply
    349,705.42x = 482,550.66 × 220,595.42
  4. Step 4: Simplify right side
    349,705.42x = 106,448,466,720.35
  5. Step 5: Solve for x
    x = 106,448,466,720.35/349,705.42
  6. Step 6: Final answer
    x = 304,394.67

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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.