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Finding the Fourth Proportional to 558,554.94, 770,810.58 and 316,837.98

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Solution

The fourth proportional to 558,554.94, 770,810.58 and 316,837.98 is: 437,239.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,554.94 : 770,810.58 = 316,837.98 : x
  2. Step 2: Convert to fraction form
    558,554.94/770,810.58 = 316,837.98/x
  3. Step 3: Cross multiply
    558,554.94x = 770,810.58 × 316,837.98
  4. Step 4: Simplify right side
    558,554.94x = 244,222,067,129.83
  5. Step 5: Solve for x
    x = 244,222,067,129.83/558,554.94
  6. Step 6: Final answer
    x = 437,239.11

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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.