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Finding the Fourth Proportional to 402,561.93, 603,779.48 and 334,609.84

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Solution

The fourth proportional to 402,561.93, 603,779.48 and 334,609.84 is: 501,862.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,561.93 : 603,779.48 = 334,609.84 : x
  2. Step 2: Convert to fraction form
    402,561.93/603,779.48 = 334,609.84/x
  3. Step 3: Cross multiply
    402,561.93x = 603,779.48 × 334,609.84
  4. Step 4: Simplify right side
    402,561.93x = 202,030,553,270.37
  5. Step 5: Solve for x
    x = 202,030,553,270.37/402,561.93
  6. Step 6: Final answer
    x = 501,862.05

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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.