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Finding the Fourth Proportional to 622,094.86, 931,647.62 and 355,045.76

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Solution

The fourth proportional to 622,094.86, 931,647.62 and 355,045.76 is: 531,715.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,094.86 : 931,647.62 = 355,045.76 : x
  2. Step 2: Convert to fraction form
    622,094.86/931,647.62 = 355,045.76/x
  3. Step 3: Cross multiply
    622,094.86x = 931,647.62 × 355,045.76
  4. Step 4: Simplify right side
    622,094.86x = 330,777,537,295.09
  5. Step 5: Solve for x
    x = 330,777,537,295.09/622,094.86
  6. Step 6: Final answer
    x = 531,715.59

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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.