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Finding the Fourth Proportional to 537,159.80, 806,112.30 and 404,319.80

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Solution

The fourth proportional to 537,159.80, 806,112.30 and 404,319.80 is: 606,760.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,159.80 : 806,112.30 = 404,319.80 : x
  2. Step 2: Convert to fraction form
    537,159.80/806,112.30 = 404,319.80/x
  3. Step 3: Cross multiply
    537,159.80x = 806,112.30 × 404,319.80
  4. Step 4: Simplify right side
    537,159.80x = 325,927,163,913.54
  5. Step 5: Solve for x
    x = 325,927,163,913.54/537,159.80
  6. Step 6: Final answer
    x = 606,760.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.