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Finding the Fourth Proportional to 652,264.65, 978,396.98 and 605,025.45

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Solution

The fourth proportional to 652,264.65, 978,396.98 and 605,025.45 is: 907,538.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,264.65 : 978,396.98 = 605,025.45 : x
  2. Step 2: Convert to fraction form
    652,264.65/978,396.98 = 605,025.45/x
  3. Step 3: Cross multiply
    652,264.65x = 978,396.98 × 605,025.45
  4. Step 4: Simplify right side
    652,264.65x = 591,955,070,078.01
  5. Step 5: Solve for x
    x = 591,955,070,078.01/652,264.65
  6. Step 6: Final answer
    x = 907,538.18

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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.