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Finding the Fourth Proportional to 346,520.67, 519,477.33 and 166,516.45

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Solution

The fourth proportional to 346,520.67, 519,477.33 and 166,516.45 is: 249,628.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,520.67 : 519,477.33 = 166,516.45 : x
  2. Step 2: Convert to fraction form
    346,520.67/519,477.33 = 166,516.45/x
  3. Step 3: Cross multiply
    346,520.67x = 519,477.33 × 166,516.45
  4. Step 4: Simplify right side
    346,520.67x = 86,501,520,847.08
  5. Step 5: Solve for x
    x = 86,501,520,847.08/346,520.67
  6. Step 6: Final answer
    x = 249,628.75

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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.