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Finding the Fourth Proportional to 346,732.86, 476,654.22 and 298,156.89

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Solution

The fourth proportional to 346,732.86, 476,654.22 and 298,156.89 is: 409,876.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,732.86 : 476,654.22 = 298,156.89 : x
  2. Step 2: Convert to fraction form
    346,732.86/476,654.22 = 298,156.89/x
  3. Step 3: Cross multiply
    346,732.86x = 476,654.22 × 298,156.89
  4. Step 4: Simplify right side
    346,732.86x = 142,117,739,840.58
  5. Step 5: Solve for x
    x = 142,117,739,840.58/346,732.86
  6. Step 6: Final answer
    x = 409,876.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.