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Finding the Fourth Proportional to 628,955.60, 943,433.40 and 573,843.20

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Solution

The fourth proportional to 628,955.60, 943,433.40 and 573,843.20 is: 860,764.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,955.60 : 943,433.40 = 573,843.20 : x
  2. Step 2: Convert to fraction form
    628,955.60/943,433.40 = 573,843.20/x
  3. Step 3: Cross multiply
    628,955.60x = 943,433.40 × 573,843.20
  4. Step 4: Simplify right side
    628,955.60x = 541,382,841,242.88
  5. Step 5: Solve for x
    x = 541,382,841,242.88/628,955.60
  6. Step 6: Final answer
    x = 860,764.80

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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.