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Finding the Fourth Proportional to 346,799.81, 520,199.72 and 97,481.81

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Solution

The fourth proportional to 346,799.81, 520,199.72 and 97,481.81 is: 146,222.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,799.81 : 520,199.72 = 97,481.81 : x
  2. Step 2: Convert to fraction form
    346,799.81/520,199.72 = 97,481.81/x
  3. Step 3: Cross multiply
    346,799.81x = 520,199.72 × 97,481.81
  4. Step 4: Simplify right side
    346,799.81x = 50,710,011,445.74
  5. Step 5: Solve for x
    x = 50,710,011,445.74/346,799.81
  6. Step 6: Final answer
    x = 146,222.72

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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.