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Finding the Fourth Proportional to 351,070.87, 484,475.80 and 189,925.45

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Solution

The fourth proportional to 351,070.87, 484,475.80 and 189,925.45 is: 262,096.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,070.87 : 484,475.80 = 189,925.45 : x
  2. Step 2: Convert to fraction form
    351,070.87/484,475.80 = 189,925.45/x
  3. Step 3: Cross multiply
    351,070.87x = 484,475.80 × 189,925.45
  4. Step 4: Simplify right side
    351,070.87x = 92,014,284,329.11
  5. Step 5: Solve for x
    x = 92,014,284,329.11/351,070.87
  6. Step 6: Final answer
    x = 262,096.04

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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.