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Finding the Fourth Proportional to 540,207.33, 810,225.80 and 339,914.58

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Solution

The fourth proportional to 540,207.33, 810,225.80 and 339,914.58 is: 509,818.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,207.33 : 810,225.80 = 339,914.58 : x
  2. Step 2: Convert to fraction form
    540,207.33/810,225.80 = 339,914.58/x
  3. Step 3: Cross multiply
    540,207.33x = 810,225.80 × 339,914.58
  4. Step 4: Simplify right side
    540,207.33x = 275,407,562,512.16
  5. Step 5: Solve for x
    x = 275,407,562,512.16/540,207.33
  6. Step 6: Final answer
    x = 509,818.26

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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.