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Finding the Fourth Proportional to 612,234.30, 918,111.15 and 232,953.60

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Solution

The fourth proportional to 612,234.30, 918,111.15 and 232,953.60 is: 349,338.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,234.30 : 918,111.15 = 232,953.60 : x
  2. Step 2: Convert to fraction form
    612,234.30/918,111.15 = 232,953.60/x
  3. Step 3: Cross multiply
    612,234.30x = 918,111.15 × 232,953.60
  4. Step 4: Simplify right side
    612,234.30x = 213,877,297,592.64
  5. Step 5: Solve for x
    x = 213,877,297,592.64/612,234.30
  6. Step 6: Final answer
    x = 349,338.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.