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Finding the Fourth Proportional to 608,435.10, 839,635.08 and 336,497.16

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Solution

The fourth proportional to 608,435.10, 839,635.08 and 336,497.16 is: 464,363.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,435.10 : 839,635.08 = 336,497.16 : x
  2. Step 2: Convert to fraction form
    608,435.10/839,635.08 = 336,497.16/x
  3. Step 3: Cross multiply
    608,435.10x = 839,635.08 × 336,497.16
  4. Step 4: Simplify right side
    608,435.10x = 282,534,819,856.37
  5. Step 5: Solve for x
    x = 282,534,819,856.37/608,435.10
  6. Step 6: Final answer
    x = 464,363.12

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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.