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Finding the Fourth Proportional to 608,543.04, 839,782.16 and 336,630.90

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Solution

The fourth proportional to 608,543.04, 839,782.16 and 336,630.90 is: 464,546.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,543.04 : 839,782.16 = 336,630.90 : x
  2. Step 2: Convert to fraction form
    608,543.04/839,782.16 = 336,630.90/x
  3. Step 3: Cross multiply
    608,543.04x = 839,782.16 × 336,630.90
  4. Step 4: Simplify right side
    608,543.04x = 282,696,624,324.74
  5. Step 5: Solve for x
    x = 282,696,624,324.74/608,543.04
  6. Step 6: Final answer
    x = 464,546.64

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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.