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Finding the Fourth Proportional to 305,794.80, 458,692.20 and 302,842.35

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Solution

The fourth proportional to 305,794.80, 458,692.20 and 302,842.35 is: 454,263.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,794.80 : 458,692.20 = 302,842.35 : x
  2. Step 2: Convert to fraction form
    305,794.80/458,692.20 = 302,842.35/x
  3. Step 3: Cross multiply
    305,794.80x = 458,692.20 × 302,842.35
  4. Step 4: Simplify right side
    305,794.80x = 138,911,423,774.67
  5. Step 5: Solve for x
    x = 138,911,423,774.67/305,794.80
  6. Step 6: Final answer
    x = 454,263.53

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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.