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Finding the Fourth Proportional to 995,353.60, 1,493,030.40 and 676,019.20

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Solution

The fourth proportional to 995,353.60, 1,493,030.40 and 676,019.20 is: 1,014,028.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,353.60 : 1,493,030.40 = 676,019.20 : x
  2. Step 2: Convert to fraction form
    995,353.60/1,493,030.40 = 676,019.20/x
  3. Step 3: Cross multiply
    995,353.60x = 1,493,030.40 × 676,019.20
  4. Step 4: Simplify right side
    995,353.60x = 1,009,317,216,583.68
  5. Step 5: Solve for x
    x = 1,009,317,216,583.68/995,353.60
  6. Step 6: Final answer
    x = 1,014,028.80

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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.