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Finding the Fourth Proportional to 357,651.80, 536,477.70 and 188,941.40

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Solution

The fourth proportional to 357,651.80, 536,477.70 and 188,941.40 is: 283,412.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,651.80 : 536,477.70 = 188,941.40 : x
  2. Step 2: Convert to fraction form
    357,651.80/536,477.70 = 188,941.40/x
  3. Step 3: Cross multiply
    357,651.80x = 536,477.70 × 188,941.40
  4. Step 4: Simplify right side
    357,651.80x = 101,362,847,706.78
  5. Step 5: Solve for x
    x = 101,362,847,706.78/357,651.80
  6. Step 6: Final answer
    x = 283,412.10

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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.