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Finding the Fourth Proportional to 546,511.90, 818,783.70 and 335,903.80

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Solution

The fourth proportional to 546,511.90, 818,783.70 and 335,903.80 is: 503,250.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,511.90 : 818,783.70 = 335,903.80 : x
  2. Step 2: Convert to fraction form
    546,511.90/818,783.70 = 335,903.80/x
  3. Step 3: Cross multiply
    546,511.90x = 818,783.70 × 335,903.80
  4. Step 4: Simplify right side
    546,511.90x = 275,032,556,208.06
  5. Step 5: Solve for x
    x = 275,032,556,208.06/546,511.90
  6. Step 6: Final answer
    x = 503,250.81

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1.5x scale

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.