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Finding the Fourth Proportional to 346,881.80, 520,322.76 and 97,563.80

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Solution

The fourth proportional to 346,881.80, 520,322.76 and 97,563.80 is: 146,345.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,881.80 : 520,322.76 = 97,563.80 : x
  2. Step 2: Convert to fraction form
    346,881.80/520,322.76 = 97,563.80/x
  3. Step 3: Cross multiply
    346,881.80x = 520,322.76 × 97,563.80
  4. Step 4: Simplify right side
    346,881.80x = 50,764,665,692.09
  5. Step 5: Solve for x
    x = 50,764,665,692.09/346,881.80
  6. Step 6: Final answer
    x = 146,345.72

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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.