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Finding the Fourth Proportional to 264,309.64, 364,658.52 and 168,872.20

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Solution

The fourth proportional to 264,309.64, 364,658.52 and 168,872.20 is: 232,986.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,309.64 : 364,658.52 = 168,872.20 : x
  2. Step 2: Convert to fraction form
    264,309.64/364,658.52 = 168,872.20/x
  3. Step 3: Cross multiply
    264,309.64x = 364,658.52 × 168,872.20
  4. Step 4: Simplify right side
    264,309.64x = 61,580,686,242.77
  5. Step 5: Solve for x
    x = 61,580,686,242.77/264,309.64
  6. Step 6: Final answer
    x = 232,986.91

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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.