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Finding the Fourth Proportional to 978,094.40, 1,467,141.60 and 846,874.40

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Solution

The fourth proportional to 978,094.40, 1,467,141.60 and 846,874.40 is: 1,270,311.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,094.40 : 1,467,141.60 = 846,874.40 : x
  2. Step 2: Convert to fraction form
    978,094.40/1,467,141.60 = 846,874.40/x
  3. Step 3: Cross multiply
    978,094.40x = 1,467,141.60 × 846,874.40
  4. Step 4: Simplify right side
    978,094.40x = 1,242,484,662,215.04
  5. Step 5: Solve for x
    x = 1,242,484,662,215.04/978,094.40
  6. Step 6: Final answer
    x = 1,270,311.60

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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.