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Finding the Fourth Proportional to 704,312, 1,056,550.16 and 255,244.40

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Solution

The fourth proportional to 704,312, 1,056,550.16 and 255,244.40 is: 382,896.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,312 : 1,056,550.16 = 255,244.40 : x
  2. Step 2: Convert to fraction form
    704,312/1,056,550.16 = 255,244.40/x
  3. Step 3: Cross multiply
    704,312x = 1,056,550.16 × 255,244.40
  4. Step 4: Simplify right side
    704,312x = 269,678,511,659.10
  5. Step 5: Solve for x
    x = 269,678,511,659.10/704,312
  6. Step 6: Final answer
    x = 382,896.37

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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.