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Finding the Fourth Proportional to 344,858.60, 516,980.10 and 134,447.60

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Solution

The fourth proportional to 344,858.60, 516,980.10 and 134,447.60 is: 201,551.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,858.60 : 516,980.10 = 134,447.60 : x
  2. Step 2: Convert to fraction form
    344,858.60/516,980.10 = 134,447.60/x
  3. Step 3: Cross multiply
    344,858.60x = 516,980.10 × 134,447.60
  4. Step 4: Simplify right side
    344,858.60x = 69,506,733,692.76
  5. Step 5: Solve for x
    x = 69,506,733,692.76/344,858.60
  6. Step 6: Final answer
    x = 201,551.40

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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.