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Finding the Fourth Proportional to 485,032.40, 727,548.60 and 463,259.60

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Solution

The fourth proportional to 485,032.40, 727,548.60 and 463,259.60 is: 694,889.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,032.40 : 727,548.60 = 463,259.60 : x
  2. Step 2: Convert to fraction form
    485,032.40/727,548.60 = 463,259.60/x
  3. Step 3: Cross multiply
    485,032.40x = 727,548.60 × 463,259.60
  4. Step 4: Simplify right side
    485,032.40x = 337,043,873,416.56
  5. Step 5: Solve for x
    x = 337,043,873,416.56/485,032.40
  6. Step 6: Final answer
    x = 694,889.40

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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.