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Finding the Fourth Proportional to 620,711.60, 929,775.64 and 599,298.44

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Solution

The fourth proportional to 620,711.60, 929,775.64 and 599,298.44 is: 897,700.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,711.60 : 929,775.64 = 599,298.44 : x
  2. Step 2: Convert to fraction form
    620,711.60/929,775.64 = 599,298.44/x
  3. Step 3: Cross multiply
    620,711.60x = 929,775.64 × 599,298.44
  4. Step 4: Simplify right side
    620,711.60x = 557,213,090,602.00
  5. Step 5: Solve for x
    x = 557,213,090,602.00/620,711.60
  6. Step 6: Final answer
    x = 897,700.46

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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.