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Finding the Fourth Proportional to 339,461.40, 468,464.16 and 186,501.56

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Solution

The fourth proportional to 339,461.40, 468,464.16 and 186,501.56 is: 257,376.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,461.40 : 468,464.16 = 186,501.56 : x
  2. Step 2: Convert to fraction form
    339,461.40/468,464.16 = 186,501.56/x
  3. Step 3: Cross multiply
    339,461.40x = 468,464.16 × 186,501.56
  4. Step 4: Simplify right side
    339,461.40x = 87,369,296,644.09
  5. Step 5: Solve for x
    x = 87,369,296,644.09/339,461.40
  6. Step 6: Final answer
    x = 257,376.23

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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.