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Finding the Fourth Proportional to 1,158,351.03, 1,598,524.88 and 705,642.03

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Solution

The fourth proportional to 1,158,351.03, 1,598,524.88 and 705,642.03 is: 973,786.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,351.03 : 1,598,524.88 = 705,642.03 : x
  2. Step 2: Convert to fraction form
    1,158,351.03/1,598,524.88 = 705,642.03/x
  3. Step 3: Cross multiply
    1,158,351.03x = 1,598,524.88 × 705,642.03
  4. Step 4: Simplify right side
    1,158,351.03x = 1,127,986,337,800.50
  5. Step 5: Solve for x
    x = 1,127,986,337,800.50/1,158,351.03
  6. Step 6: Final answer
    x = 973,786.28

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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.