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Finding the Fourth Proportional to 574,409.14, 792,653.47 and 316,235.61

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Solution

The fourth proportional to 574,409.14, 792,653.47 and 316,235.61 is: 436,388.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,409.14 : 792,653.47 = 316,235.61 : x
  2. Step 2: Convert to fraction form
    574,409.14/792,653.47 = 316,235.61/x
  3. Step 3: Cross multiply
    574,409.14x = 792,653.47 × 316,235.61
  4. Step 4: Simplify right side
    574,409.14x = 250,665,252,813.48
  5. Step 5: Solve for x
    x = 250,665,252,813.48/574,409.14
  6. Step 6: Final answer
    x = 436,388.00

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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.