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Finding the Fourth Proportional to 652,094.40, 978,141.60 and 494,630.40

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Solution

The fourth proportional to 652,094.40, 978,141.60 and 494,630.40 is: 741,945.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,094.40 : 978,141.60 = 494,630.40 : x
  2. Step 2: Convert to fraction form
    652,094.40/978,141.60 = 494,630.40/x
  3. Step 3: Cross multiply
    652,094.40x = 978,141.60 × 494,630.40
  4. Step 4: Simplify right side
    652,094.40x = 483,818,570,864.64
  5. Step 5: Solve for x
    x = 483,818,570,864.64/652,094.40
  6. Step 6: Final answer
    x = 741,945.60

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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.