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Finding the Fourth Proportional to 546,000.20, 755,999.70 and 504,009.80

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Solution

The fourth proportional to 546,000.20, 755,999.70 and 504,009.80 is: 697,859.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,000.20 : 755,999.70 = 504,009.80 : x
  2. Step 2: Convert to fraction form
    546,000.20/755,999.70 = 504,009.80/x
  3. Step 3: Cross multiply
    546,000.20x = 755,999.70 × 504,009.80
  4. Step 4: Simplify right side
    546,000.20x = 381,031,257,597.06
  5. Step 5: Solve for x
    x = 381,031,257,597.06/546,000.20
  6. Step 6: Final answer
    x = 697,859.19

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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.