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Finding the Fourth Proportional to 326,925.76, 451,108.72 and 183,658.56

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Solution

The fourth proportional to 326,925.76, 451,108.72 and 183,658.56 is: 253,421.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,925.76 : 451,108.72 = 183,658.56 : x
  2. Step 2: Convert to fraction form
    326,925.76/451,108.72 = 183,658.56/x
  3. Step 3: Cross multiply
    326,925.76x = 451,108.72 × 183,658.56
  4. Step 4: Simplify right side
    326,925.76x = 82,849,977,918.64
  5. Step 5: Solve for x
    x = 82,849,977,918.64/326,925.76
  6. Step 6: Final answer
    x = 253,421.38

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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.