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Finding the Fourth Proportional to 1,867,935.60, 2,801,903.40 and 605,746.80

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Solution

The fourth proportional to 1,867,935.60, 2,801,903.40 and 605,746.80 is: 908,620.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,867,935.60 : 2,801,903.40 = 605,746.80 : x
  2. Step 2: Convert to fraction form
    1,867,935.60/2,801,903.40 = 605,746.80/x
  3. Step 3: Cross multiply
    1,867,935.60x = 2,801,903.40 × 605,746.80
  4. Step 4: Simplify right side
    1,867,935.60x = 1,697,244,018,459.12
  5. Step 5: Solve for x
    x = 1,697,244,018,459.12/1,867,935.60
  6. Step 6: Final answer
    x = 908,620.20

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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.