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Finding the Fourth Proportional to 648,052.60, 973,245.30 and 470,759.80

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Solution

The fourth proportional to 648,052.60, 973,245.30 and 470,759.80 is: 706,987.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,052.60 : 973,245.30 = 470,759.80 : x
  2. Step 2: Convert to fraction form
    648,052.60/973,245.30 = 470,759.80/x
  3. Step 3: Cross multiply
    648,052.60x = 973,245.30 × 470,759.80
  4. Step 4: Simplify right side
    648,052.60x = 458,164,762,778.94
  5. Step 5: Solve for x
    x = 458,164,762,778.94/648,052.60
  6. Step 6: Final answer
    x = 706,987.00

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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.