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Finding the Fourth Proportional to 608,263.16, 839,329.90 and 336,294.32

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Solution

The fourth proportional to 608,263.16, 839,329.90 and 336,294.32 is: 464,045.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,263.16 : 839,329.90 = 336,294.32 : x
  2. Step 2: Convert to fraction form
    608,263.16/839,329.90 = 336,294.32/x
  3. Step 3: Cross multiply
    608,263.16x = 839,329.90 × 336,294.32
  4. Step 4: Simplify right side
    608,263.16x = 282,261,872,938.78
  5. Step 5: Solve for x
    x = 282,261,872,938.78/608,263.16
  6. Step 6: Final answer
    x = 464,045.65

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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.