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Finding the Fourth Proportional to 346,593.80, 519,501.90 and 196,905.80

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Solution

The fourth proportional to 346,593.80, 519,501.90 and 196,905.80 is: 295,137.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,593.80 : 519,501.90 = 196,905.80 : x
  2. Step 2: Convert to fraction form
    346,593.80/519,501.90 = 196,905.80/x
  3. Step 3: Cross multiply
    346,593.80x = 519,501.90 × 196,905.80
  4. Step 4: Simplify right side
    346,593.80x = 102,292,937,221.02
  5. Step 5: Solve for x
    x = 102,292,937,221.02/346,593.80
  6. Step 6: Final answer
    x = 295,137.82

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1.5x scale

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.