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Finding the Fourth Proportional to 688,497.51, 950,107.68 and 382,566.04

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Solution

The fourth proportional to 688,497.51, 950,107.68 and 382,566.04 is: 527,930.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,497.51 : 950,107.68 = 382,566.04 : x
  2. Step 2: Convert to fraction form
    688,497.51/950,107.68 = 382,566.04/x
  3. Step 3: Cross multiply
    688,497.51x = 950,107.68 × 382,566.04
  4. Step 4: Simplify right side
    688,497.51x = 363,478,927,960.65
  5. Step 5: Solve for x
    x = 363,478,927,960.65/688,497.51
  6. Step 6: Final answer
    x = 527,930.64

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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.