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Finding the Fourth Proportional to 339,461.90, 468,464.85 and 186,502.06

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Solution

The fourth proportional to 339,461.90, 468,464.85 and 186,502.06 is: 257,376.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,461.90 : 468,464.85 = 186,502.06 : x
  2. Step 2: Convert to fraction form
    339,461.90/468,464.85 = 186,502.06/x
  3. Step 3: Cross multiply
    339,461.90x = 468,464.85 × 186,502.06
  4. Step 4: Simplify right side
    339,461.90x = 87,369,659,562.59
  5. Step 5: Solve for x
    x = 87,369,659,562.59/339,461.90
  6. Step 6: Final answer
    x = 257,376.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.