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Finding the Fourth Proportional to 704,305, 1,056,613.02 and 261,073

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Solution

The fourth proportional to 704,305, 1,056,613.02 and 261,073 is: 391,667.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,305 : 1,056,613.02 = 261,073 : x
  2. Step 2: Convert to fraction form
    704,305/1,056,613.02 = 261,073/x
  3. Step 3: Cross multiply
    704,305x = 1,056,613.02 × 261,073
  4. Step 4: Simplify right side
    704,305x = 275,853,130,970.46
  5. Step 5: Solve for x
    x = 275,853,130,970.46/704,305
  6. Step 6: Final answer
    x = 391,667.15

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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.