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Finding the Fourth Proportional to 363,574.80, 544,827.60 and 263,944.80

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Solution

The fourth proportional to 363,574.80, 544,827.60 and 263,944.80 is: 395,529.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,574.80 : 544,827.60 = 263,944.80 : x
  2. Step 2: Convert to fraction form
    363,574.80/544,827.60 = 263,944.80/x
  3. Step 3: Cross multiply
    363,574.80x = 544,827.60 × 263,944.80
  4. Step 4: Simplify right side
    363,574.80x = 143,804,411,916.48
  5. Step 5: Solve for x
    x = 143,804,411,916.48/363,574.80
  6. Step 6: Final answer
    x = 395,529.10

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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.