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Finding the Fourth Proportional to 608,346.72, 839,484.96 and 336,398.88

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Solution

The fourth proportional to 608,346.72, 839,484.96 and 336,398.88 is: 464,211.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,346.72 : 839,484.96 = 336,398.88 : x
  2. Step 2: Convert to fraction form
    608,346.72/839,484.96 = 336,398.88/x
  3. Step 3: Cross multiply
    608,346.72x = 839,484.96 × 336,398.88
  4. Step 4: Simplify right side
    608,346.72x = 282,401,800,320.85
  5. Step 5: Solve for x
    x = 282,401,800,320.85/608,346.72
  6. Step 6: Final answer
    x = 464,211.92

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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.