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Finding the Fourth Proportional to 346,773.78, 520,160.67 and 97,455.78

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Solution

The fourth proportional to 346,773.78, 520,160.67 and 97,455.78 is: 146,183.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,773.78 : 520,160.67 = 97,455.78 : x
  2. Step 2: Convert to fraction form
    346,773.78/520,160.67 = 97,455.78/x
  3. Step 3: Cross multiply
    346,773.78x = 520,160.67 × 97,455.78
  4. Step 4: Simplify right side
    346,773.78x = 50,692,663,332.89
  5. Step 5: Solve for x
    x = 50,692,663,332.89/346,773.78
  6. Step 6: Final answer
    x = 146,183.67

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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.