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Finding the Fourth Proportional to 955,855.10, 1,433,779 and 356,967.02

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Solution

The fourth proportional to 955,855.10, 1,433,779 and 356,967.02 is: 535,449.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,855.10 : 1,433,779 = 356,967.02 : x
  2. Step 2: Convert to fraction form
    955,855.10/1,433,779 = 356,967.02/x
  3. Step 3: Cross multiply
    955,855.10x = 1,433,779 × 356,967.02
  4. Step 4: Simplify right side
    955,855.10x = 511,811,816,968.58
  5. Step 5: Solve for x
    x = 511,811,816,968.58/955,855.10
  6. Step 6: Final answer
    x = 535,449.17

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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.