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Finding the Fourth Proportional to 608,157.69, 839,221.46 and 336,209.30

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Solution

The fourth proportional to 608,157.69, 839,221.46 and 336,209.30 is: 463,948.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,157.69 : 839,221.46 = 336,209.30 : x
  2. Step 2: Convert to fraction form
    608,157.69/839,221.46 = 336,209.30/x
  3. Step 3: Cross multiply
    608,157.69x = 839,221.46 × 336,209.30
  4. Step 4: Simplify right side
    608,157.69x = 282,154,058,142.29
  5. Step 5: Solve for x
    x = 282,154,058,142.29/608,157.69
  6. Step 6: Final answer
    x = 463,948.85

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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.