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Finding the Fourth Proportional to 538,751.52, 743,482.35 and 297,043.65

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Solution

The fourth proportional to 538,751.52, 743,482.35 and 297,043.65 is: 409,923.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,751.52 : 743,482.35 = 297,043.65 : x
  2. Step 2: Convert to fraction form
    538,751.52/743,482.35 = 297,043.65/x
  3. Step 3: Cross multiply
    538,751.52x = 743,482.35 × 297,043.65
  4. Step 4: Simplify right side
    538,751.52x = 220,846,710,954.58
  5. Step 5: Solve for x
    x = 220,846,710,954.58/538,751.52
  6. Step 6: Final answer
    x = 409,923.13

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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.