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Finding the Fourth Proportional to 346,503.45, 519,530.40 and 146,769.60

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Solution

The fourth proportional to 346,503.45, 519,530.40 and 146,769.60 is: 220,059.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,503.45 : 519,530.40 = 146,769.60 : x
  2. Step 2: Convert to fraction form
    346,503.45/519,530.40 = 146,769.60/x
  3. Step 3: Cross multiply
    346,503.45x = 519,530.40 × 146,769.60
  4. Step 4: Simplify right side
    346,503.45x = 76,251,268,995.84
  5. Step 5: Solve for x
    x = 76,251,268,995.84/346,503.45
  6. Step 6: Final answer
    x = 220,059.19

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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.