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Finding the Fourth Proportional to 542,588.76, 748,769.46 and 300,907.04

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Solution

The fourth proportional to 542,588.76, 748,769.46 and 300,907.04 is: 415,250.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,588.76 : 748,769.46 = 300,907.04 : x
  2. Step 2: Convert to fraction form
    542,588.76/748,769.46 = 300,907.04/x
  3. Step 3: Cross multiply
    542,588.76x = 748,769.46 × 300,907.04
  4. Step 4: Simplify right side
    542,588.76x = 225,310,001,851.00
  5. Step 5: Solve for x
    x = 225,310,001,851.00/542,588.76
  6. Step 6: Final answer
    x = 415,250.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.