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Finding the Fourth Proportional to 1,241,811, 1,713,700.80 and 705,267

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Solution

The fourth proportional to 1,241,811, 1,713,700.80 and 705,267 is: 973,269.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,811 : 1,713,700.80 = 705,267 : x
  2. Step 2: Convert to fraction form
    1,241,811/1,713,700.80 = 705,267/x
  3. Step 3: Cross multiply
    1,241,811x = 1,713,700.80 × 705,267
  4. Step 4: Simplify right side
    1,241,811x = 1,208,616,622,113.60
  5. Step 5: Solve for x
    x = 1,208,616,622,113.60/1,241,811
  6. Step 6: Final answer
    x = 973,269.38

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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.