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Finding the Fourth Proportional to 608,632.43, 839,937.51 and 336,695.66

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Solution

The fourth proportional to 608,632.43, 839,937.51 and 336,695.66 is: 464,653.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,632.43 : 839,937.51 = 336,695.66 : x
  2. Step 2: Convert to fraction form
    608,632.43/839,937.51 = 336,695.66/x
  3. Step 3: Cross multiply
    608,632.43x = 839,937.51 × 336,695.66
  4. Step 4: Simplify right side
    608,632.43x = 282,803,310,088.52
  5. Step 5: Solve for x
    x = 282,803,310,088.52/608,632.43
  6. Step 6: Final answer
    x = 464,653.70

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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.