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Finding the Fourth Proportional to 612,234.80, 918,111.90 and 232,954.10

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Solution

The fourth proportional to 612,234.80, 918,111.90 and 232,954.10 is: 349,339.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,234.80 : 918,111.90 = 232,954.10 : x
  2. Step 2: Convert to fraction form
    612,234.80/918,111.90 = 232,954.10/x
  3. Step 3: Cross multiply
    612,234.80x = 918,111.90 × 232,954.10
  4. Step 4: Simplify right side
    612,234.80x = 213,877,931,363.79
  5. Step 5: Solve for x
    x = 213,877,931,363.79/612,234.80
  6. Step 6: Final answer
    x = 349,339.72

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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.