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Finding the Fourth Proportional to 594,521.61, 891,779.28 and 145,245

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Solution

The fourth proportional to 594,521.61, 891,779.28 and 145,245 is: 217,866.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,521.61 : 891,779.28 = 145,245 : x
  2. Step 2: Convert to fraction form
    594,521.61/891,779.28 = 145,245/x
  3. Step 3: Cross multiply
    594,521.61x = 891,779.28 × 145,245
  4. Step 4: Simplify right side
    594,521.61x = 129,526,481,523.60
  5. Step 5: Solve for x
    x = 129,526,481,523.60/594,521.61
  6. Step 6: Final answer
    x = 217,866.73

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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.