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Finding the Fourth Proportional to 464,810.88, 641,431.04 and 260,866.56

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Solution

The fourth proportional to 464,810.88, 641,431.04 and 260,866.56 is: 359,991.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,810.88 : 641,431.04 = 260,866.56 : x
  2. Step 2: Convert to fraction form
    464,810.88/641,431.04 = 260,866.56/x
  3. Step 3: Cross multiply
    464,810.88x = 641,431.04 × 260,866.56
  4. Step 4: Simplify right side
    464,810.88x = 167,327,908,882.02
  5. Step 5: Solve for x
    x = 167,327,908,882.02/464,810.88
  6. Step 6: Final answer
    x = 359,991.38

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1.5x scale

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.