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Finding the Fourth Proportional to 652,195.40, 978,293.10 and 604,956.20

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Solution

The fourth proportional to 652,195.40, 978,293.10 and 604,956.20 is: 907,434.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,195.40 : 978,293.10 = 604,956.20 : x
  2. Step 2: Convert to fraction form
    652,195.40/978,293.10 = 604,956.20/x
  3. Step 3: Cross multiply
    652,195.40x = 978,293.10 × 604,956.20
  4. Step 4: Simplify right side
    652,195.40x = 591,824,476,262.22
  5. Step 5: Solve for x
    x = 591,824,476,262.22/652,195.40
  6. Step 6: Final answer
    x = 907,434.30

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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.