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Finding the Fourth Proportional to 456,808.77, 685,209.33 and 357,052.86

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Solution

The fourth proportional to 456,808.77, 685,209.33 and 357,052.86 is: 535,576.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,808.77 : 685,209.33 = 357,052.86 : x
  2. Step 2: Convert to fraction form
    456,808.77/685,209.33 = 357,052.86/x
  3. Step 3: Cross multiply
    456,808.77x = 685,209.33 × 357,052.86
  4. Step 4: Simplify right side
    456,808.77x = 244,655,950,975.18
  5. Step 5: Solve for x
    x = 244,655,950,975.18/456,808.77
  6. Step 6: Final answer
    x = 535,576.30

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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.