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Finding the Fourth Proportional to 357,954.21, 535,763.00 and 263,159.30

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Solution

The fourth proportional to 357,954.21, 535,763.00 and 263,159.30 is: 393,880.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,954.21 : 535,763.00 = 263,159.30 : x
  2. Step 2: Convert to fraction form
    357,954.21/535,763.00 = 263,159.30/x
  3. Step 3: Cross multiply
    357,954.21x = 535,763.00 × 263,159.30
  4. Step 4: Simplify right side
    357,954.21x = 140,991,012,051.29
  5. Step 5: Solve for x
    x = 140,991,012,051.29/357,954.21
  6. Step 6: Final answer
    x = 393,880.02

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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.