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Finding the Fourth Proportional to 504,557.02, 755,324.34 and 486,612.55

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Solution

The fourth proportional to 504,557.02, 755,324.34 and 486,612.55 is: 728,461.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,557.02 : 755,324.34 = 486,612.55 : x
  2. Step 2: Convert to fraction form
    504,557.02/755,324.34 = 486,612.55/x
  3. Step 3: Cross multiply
    504,557.02x = 755,324.34 × 486,612.55
  4. Step 4: Simplify right side
    504,557.02x = 367,550,303,164.47
  5. Step 5: Solve for x
    x = 367,550,303,164.47/504,557.02
  6. Step 6: Final answer
    x = 728,461.38

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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.