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Finding the Fourth Proportional to 554,482.60, 765,185.07 and 299,833.18

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Solution

The fourth proportional to 554,482.60, 765,185.07 and 299,833.18 is: 413,769.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,482.60 : 765,185.07 = 299,833.18 : x
  2. Step 2: Convert to fraction form
    554,482.60/765,185.07 = 299,833.18/x
  3. Step 3: Cross multiply
    554,482.60x = 765,185.07 × 299,833.18
  4. Step 4: Simplify right side
    554,482.60x = 229,427,872,826.62
  5. Step 5: Solve for x
    x = 229,427,872,826.62/554,482.60
  6. Step 6: Final answer
    x = 413,769.29

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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.