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Finding the Fourth Proportional to 351,106.60, 526,400.70 and 151,263.40

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Solution

The fourth proportional to 351,106.60, 526,400.70 and 151,263.40 is: 226,783.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,106.60 : 526,400.70 = 151,263.40 : x
  2. Step 2: Convert to fraction form
    351,106.60/526,400.70 = 151,263.40/x
  3. Step 3: Cross multiply
    351,106.60x = 526,400.70 × 151,263.40
  4. Step 4: Simplify right side
    351,106.60x = 79,625,159,644.38
  5. Step 5: Solve for x
    x = 79,625,159,644.38/351,106.60
  6. Step 6: Final answer
    x = 226,783.43

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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.